44890000 has 75 divisors (see below), whose sum is σ = 110329527. Its totient is φ = 17688000.

The previous prime is 44889983. The next prime is 44890003. The reversal of 44890000 is 9844.

The square root of 44890000 is 6700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 41370624 = 1876^2 + 6432^2 .

It is a super-2 number, since 2×44890000² = 4030224200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44890003) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 669967 + ... + 670033.

Almost surely, 2^44890000 is an apocalyptic number.

44890000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

44890000 is the 6700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44890000

44890000 is an abundant number, since it is smaller than the sum of its proper divisors (65439527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44890000 is an frugal number, since it uses more digits than its factorization.

44890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The cubic root of 44890000 is about 355.3992730415.

Multiplying 44890000 by its sum of digits (25), we get a square (1122250000 = 33500²).

44890000 divided by its sum of digits (25) gives a square (1795600 = 1340²).

Adding to 44890000 its reverse (9844), we get a palindrome (44899844).

The spelling of 44890000 in words is "forty-four million, eight hundred ninety thousand".