40160556 has 24 divisors (see below), whose sum is σ = 104120240. Its totient is φ = 13386816.

The previous prime is 40160489. The next prime is 40160557. The reversal of 40160556 is 65506104.

It is a happy number.

40160556 is a `hidden beast` number, since 4 + 0 + 1 + 605 + 56 = 666.

It is a super-2 number, since 2×40160556² = 3225740516458272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40160557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185821 + ... + 186036.

Almost surely, 2^40160556 is an apocalyptic number.

It is an amenable number.

40160556 is an abundant number, since it is smaller than the sum of its proper divisors (63959684).

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

40160556 is a wasteful number, since it uses less digits than its factorization.

40160556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371870 (or 371862 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40160556 is about 6337.2356749611. The cubic root of 40160556 is about 342.4521566361.

The spelling of 40160556 in words is "forty million, one hundred sixty thousand, five hundred fifty-six".