40459512 has 64 divisors (see below), whose sum is σ = 107856000. Its totient is φ = 12610944.

The previous prime is 40459499. The next prime is 40459513. The reversal of 40459512 is 21595404.

It is a super-2 number, since 2×40459512² = 3273944222556288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40459512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40459513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37314 + ... + 38382.

It is an arithmetic number, because the mean of its divisors is an integer number (1685250).

Almost surely, 2^40459512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40459512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53928000).

40459512 is an abundant number, since it is smaller than the sum of its proper divisors (67396488).

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

40459512 is a wasteful number, since it uses less digits than its factorization.

40459512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 40459512 is about 6360.7791975512. The cubic root of 40459512 is about 343.2997971035.

The spelling of 40459512 in words is "forty million, four hundred fifty-nine thousand, five hundred twelve".