40535552 has 40 divisors (see below), whose sum is σ = 83010312. Its totient is φ = 19763200.

The previous prime is 40535549. The next prime is 40535563. The reversal of 40535552 is 25553504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20027 + ... + 21957.

Almost surely, 2^40535552 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 40535552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41505156).

40535552 is an abundant number, since it is smaller than the sum of its proper divisors (42474760).

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

40535552 is an equidigital number, since it uses as much as digits as its factorization.

40535552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 40535552 is about 6366.7536468753. The cubic root of 40535552 is about 343.5147295025.

The spelling of 40535552 in words is "forty million, five hundred thirty-five thousand, five hundred fifty-two".