402254032 has 20 divisors (see below), whose sum is σ = 779682240. Its totient is φ = 201045728.

The previous prime is 402254011. The next prime is 402254033. The reversal of 402254032 is 230452204.

It is a junction number, because it is equal to n+sod(n) for n = 402253994 and 402254012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402254033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65193 + ... + 71095.

It is an arithmetic number, because the mean of its divisors is an integer number (38984112).

Almost surely, 2^402254032 is an apocalyptic number.

It is an amenable number.

402254032 is a deficient number, since it is larger than the sum of its proper divisors (377428208).

402254032 is a wasteful number, since it uses less digits than its factorization.

402254032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10164 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 402254032 is about 20056.2716375701. The cubic root of 402254032 is about 738.1876956905.

The spelling of 402254032 in words is "four hundred two million, two hundred fifty-four thousand, thirty-two".