46018440 has 96 divisors (see below), whose sum is σ = 161080920. Its totient is φ = 11326464.

The previous prime is 46018433. The next prime is 46018451. The reversal of 46018440 is 4481064.

It can be written as a sum of positive squares in 4 ways, for example, as 29224836 + 16793604 = 5406^2 + 4098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237 + ... + 9596.

Almost surely, 2^46018440 is an apocalyptic number.

46018440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46018440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80540460).

46018440 is an abundant number, since it is smaller than the sum of its proper divisors (115062480).

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

46018440 is a wasteful number, since it uses less digits than its factorization.

46018440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863 (or 9856 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 46018440 is about 6783.6892617513. The cubic root of 46018440 is about 358.3526585335.

It can be divided in two parts, 4601 and 8440, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 46018440 in words is "forty-six million, eighteen thousand, four hundred forty".