40557404 has 6 divisors (see below), whose sum is σ = 70975464. Its totient is φ = 20278700.

The previous prime is 40557403. The next prime is 40557443. The reversal of 40557404 is 40475504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40557403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069672 + ... + 5069679.

It is an arithmetic number, because the mean of its divisors is an integer number (11829244).

Almost surely, 2^40557404 is an apocalyptic number.

It is an amenable number.

40557404 is a deficient number, since it is larger than the sum of its proper divisors (30418060).

40557404 is a wasteful number, since it uses less digits than its factorization.

40557404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139355 (or 10139353 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 40557404 is about 6368.4695178669. The cubic root of 40557404 is about 343.5764459878.

The spelling of 40557404 in words is "forty million, five hundred fifty-seven thousand, four hundred four".