402053542 has 16 divisors (see below), whose sum is σ = 658638864. Its totient is φ = 182548000.

The previous prime is 402053527. The next prime is 402053551. The reversal of 402053542 is 245350204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10992 + ... + 30412.

It is an arithmetic number, because the mean of its divisors is an integer number (41164929).

Almost surely, 2^402053542 is an apocalyptic number.

402053542 is a deficient number, since it is larger than the sum of its proper divisors (256585322).

402053542 is a wasteful number, since it uses less digits than its factorization.

402053542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 402053542 is about 20051.2728274292. The cubic root of 402053542 is about 738.0650336953.

The spelling of 402053542 in words is "four hundred two million, fifty-three thousand, five hundred forty-two".