42501392 has 10 divisors (see below), whose sum is σ = 82346478. Its totient is φ = 21250688.

The previous prime is 42501367. The next prime is 42501409. The reversal of 42501392 is 29310524.

It can be written as a sum of positive squares in only one way, i.e., 41165056 + 1336336 = 6416^2 + 1156^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328153 + ... + 1328184.

Almost surely, 2^42501392 is an apocalyptic number.

It is an amenable number.

42501392 is a deficient number, since it is larger than the sum of its proper divisors (39845086).

42501392 is a wasteful number, since it uses less digits than its factorization.

42501392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656345 (or 2656339 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 42501392 is about 6519.3091658549. The cubic root of 42501392 is about 348.9804123072.

The spelling of 42501392 in words is "forty-two million, five hundred one thousand, three hundred ninety-two".