40574155 has 24 divisors (see below), whose sum is σ = 53005392. Its totient is φ = 29793792.

The previous prime is 40574147. The next prime is 40574159. The reversal of 40574155 is 55147504.

It is not a de Polignac number, because 40574155 - 2³ = 40574147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40574159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61809 + ... + 62461.

It is an arithmetic number, because the mean of its divisors is an integer number (2208558).

Almost surely, 2^40574155 is an apocalyptic number.

40574155 is a deficient number, since it is larger than the sum of its proper divisors (12431237).

40574155 is a wasteful number, since it uses less digits than its factorization.

40574155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 40574155 is about 6369.7845332476. The cubic root of 40574155 is about 343.6237407381.

The spelling of 40574155 in words is "forty million, five hundred seventy-four thousand, one hundred fifty-five".