40670436 has 24 divisors (see below), whose sum is σ = 95001984. Its totient is φ = 13541920.

The previous prime is 40670423. The next prime is 40670447. The reversal of 40670436 is 63407604.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17926 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (3958416).

Almost surely, 2^40670436 is an apocalyptic number.

It is an amenable number.

40670436 is an abundant number, since it is smaller than the sum of its proper divisors (54331548).

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

40670436 is a wasteful number, since it uses less digits than its factorization.

40670436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3729 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40670436 is about 6377.3376890361. The cubic root of 40670436 is about 343.8953282584.

The spelling of 40670436 in words is "forty million, six hundred seventy thousand, four hundred thirty-six".