40704136 has 16 divisors (see below), whose sum is σ = 83258640. Its totient is φ = 18501840.

The previous prime is 40704127. The next prime is 40704149. The reversal of 40704136 is 63140704.

It is a self number, because there is not a number n which added to its sum of digits gives 40704136.

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, 231186 + ... + 231361.

It is an arithmetic number, because the mean of its divisors is an integer number (5203665).

Almost surely, 2^40704136 is an apocalyptic number.

It is an amenable number.

40704136 is an abundant number, since it is smaller than the sum of its proper divisors (42554504).

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

40704136 is a wasteful number, since it uses less digits than its factorization.

40704136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462564 (or 462560 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40704136 is about 6379.9793103113. The cubic root of 40704136 is about 343.9902872686.

The spelling of 40704136 in words is "forty million, seven hundred four thousand, one hundred thirty-six".