40155592 has 16 divisors (see below), whose sum is σ = 75392460. Its totient is φ = 20050944.

The previous prime is 40155559. The next prime is 40155601. The reversal of 40155592 is 29555104.

It can be written as a sum of positive squares in 2 ways, for example, as 29877156 + 10278436 = 5466^2 + 3206^2 .

It is a super-2 number, since 2×40155592² = 3224943137740928, which contains 22 as substring.

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, 3928 + ... + 9784.

Almost surely, 2^40155592 is an apocalyptic number.

It is an amenable number.

40155592 is a deficient number, since it is larger than the sum of its proper divisors (35236868).

40155592 is a wasteful number, since it uses less digits than its factorization.

40155592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 40155592 is about 6336.8440094419. The cubic root of 40155592 is about 342.4380465845.

The spelling of 40155592 in words is "forty million, one hundred fifty-five thousand, five hundred ninety-two".