4450406240 has 48 divisors (see below), whose sum is σ = 12016099872. Its totient is φ = 1525853184.

The previous prime is 4450406231. The next prime is 4450406249. The reversal of 4450406240 is 426040544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4450406231) and next prime (4450406249).

It is a super-2 number, since 2×4450406240² = 39612231402061875200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450406249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985669 + ... + 1987908.

It is an arithmetic number, because the mean of its divisors is an integer number (250335414).

Almost surely, 2^4450406240 is an apocalyptic number.

4450406240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4450406240 is an abundant number, since it is smaller than the sum of its proper divisors (7565693632).

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

4450406240 is a wasteful number, since it uses less digits than its factorization.

4450406240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973599 (or 3973591 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 4450406240 is about 66711.3651486761. The cubic root of 4450406240 is about 1644.8762070287.

Adding to 4450406240 its reverse (426040544), we get a palindrome (4876446784).

The spelling of 4450406240 in words is "four billion, four hundred fifty million, four hundred six thousand, two hundred forty".