40258004 has 12 divisors (see below), whose sum is σ = 73514784. Its totient is φ = 19253784.

The previous prime is 40257983. The next prime is 40258013. The reversal of 40258004 is 40085204.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 218702 + ... + 218885.

It is an arithmetic number, because the mean of its divisors is an integer number (6126232).

Almost surely, 2^40258004 is an apocalyptic number.

It is an amenable number.

40258004 is a deficient number, since it is larger than the sum of its proper divisors (33256780).

40258004 is a wasteful number, since it uses less digits than its factorization.

40258004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437614 (or 437612 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40258004 is about 6344.9195424371. The cubic root of 40258004 is about 342.7289151113.

The spelling of 40258004 in words is "forty million, two hundred fifty-eight thousand, four".