40667004 has 36 divisors (see below), whose sum is σ = 117483184. Its totient is φ = 11619072.

The previous prime is 40666987. The next prime is 40667023. The reversal of 40667004 is 40076604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80437 + ... + 80940.

Almost surely, 2^40667004 is an apocalyptic number.

It is an amenable number.

40667004 is an abundant number, since it is smaller than the sum of its proper divisors (76816180).

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

40667004 is a wasteful number, since it uses less digits than its factorization.

40667004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161394 (or 161389 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40667004 is about 6377.0686055585. The cubic root of 40667004 is about 343.8856547127.

The spelling of 40667004 in words is "forty million, six hundred sixty-seven thousand, four".