402051562 has 32 divisors (see below), whose sum is σ = 666537984. Its totient is φ = 180370800.

The previous prime is 402051557. The next prime is 402051593. The reversal of 402051562 is 265150204.

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 15 ways as a sum of consecutive naturals, for example, 684633 + ... + 685219.

It is an arithmetic number, because the mean of its divisors is an integer number (20829312).

Almost surely, 2^402051562 is an apocalyptic number.

402051562 is a deficient number, since it is larger than the sum of its proper divisors (264486422).

402051562 is a wasteful number, since it uses less digits than its factorization.

402051562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 402051562 is about 20051.2234539442. The cubic root of 402051562 is about 738.0638221061.

The spelling of 402051562 in words is "four hundred two million, fifty-one thousand, five hundred sixty-two".