40704156 has 36 divisors (see below), whose sum is σ = 108308200. Its totient is φ = 12853728.

The previous prime is 40704151. The next prime is 40704161. The reversal of 40704156 is 65140704.

It is an interprime number because it is at equal distance from previous prime (40704151) and next prime (40704161).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29071 + ... + 30438.

Almost surely, 2^40704156 is an apocalyptic number.

It is an amenable number.

40704156 is an abundant number, since it is smaller than the sum of its proper divisors (67604044).

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

40704156 is a wasteful number, since it uses less digits than its factorization.

40704156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59538 (or 59533 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40704156 is about 6379.9808777143. The cubic root of 40704156 is about 343.9903436085.

The spelling of 40704156 in words is "forty million, seven hundred four thousand, one hundred fifty-six".