40564524 has 144 divisors (see below), whose sum is σ = 128463104. Its totient is φ = 9694080.

The previous prime is 40564493. The next prime is 40564541. The reversal of 40564524 is 42546504.

It is a junction number, because it is equal to n+sod(n) for n = 40564491 and 40564500.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131979 + ... + 132285.

Almost surely, 2^40564524 is an apocalyptic number.

40564524 is a gapful number since it is divisible by the number (44) 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 40564524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64231552).

40564524 is an abundant number, since it is smaller than the sum of its proper divisors (87898580).

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

40564524 is a wasteful number, since it uses less digits than its factorization.

40564524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 40564524 is about 6369.0284973456. The cubic root of 40564524 is about 343.5965501769.

The spelling of 40564524 in words is "forty million, five hundred sixty-four thousand, five hundred twenty-four".