42402392 has 8 divisors (see below), whose sum is σ = 79504500. Its totient is φ = 21201192.

The previous prime is 42402377. The next prime is 42402419. The reversal of 42402392 is 29320424.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2650142 + ... + 2650157.

Almost surely, 2^42402392 is an apocalyptic number.

It is an amenable number.

42402392 is a deficient number, since it is larger than the sum of its proper divisors (37102108).

42402392 is a wasteful number, since it uses less digits than its factorization.

42402392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300305 (or 5300301 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42402392 is about 6511.7119100894. The cubic root of 42402392 is about 348.7092374946.

The spelling of 42402392 in words is "forty-two million, four hundred two thousand, three hundred ninety-two".