40158160 has 40 divisors (see below), whose sum is σ = 106707456. Its totient is φ = 13768320.

The previous prime is 40158137. The next prime is 40158169. The reversal of 40158160 is 6185104.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40158160² = 3225355629171200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40158169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35296 + ... + 36415.

Almost surely, 2^40158160 is an apocalyptic number.

40158160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40158160 is an abundant number, since it is smaller than the sum of its proper divisors (66549296).

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

40158160 is a wasteful number, since it uses less digits than its factorization.

40158160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71731 (or 71725 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 40158160 is about 6337.0466307263. The cubic root of 40158160 is about 342.4453462084.

The spelling of 40158160 in words is "forty million, one hundred fifty-eight thousand, one hundred sixty".