40858404 has 12 divisors (see below), whose sum is σ = 95336304. Its totient is φ = 13619464.

The previous prime is 40858351. The next prime is 40858421. The reversal of 40858404 is 40485804.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1702422 + ... + 1702445.

It is an arithmetic number, because the mean of its divisors is an integer number (7944692).

Almost surely, 2^40858404 is an apocalyptic number.

It is an amenable number.

40858404 is an abundant number, since it is smaller than the sum of its proper divisors (54477900).

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

40858404 is a wasteful number, since it uses less digits than its factorization.

40858404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404874 (or 3404872 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 40858404 is about 6392.0578845940. The cubic root of 40858404 is about 344.4243119077.

The spelling of 40858404 in words is "forty million, eight hundred fifty-eight thousand, four hundred four".