402212010402 has 32 divisors (see below), whose sum is σ = 893826279360. Its totient is φ = 134067398400.

The previous prime is 402212010379. The next prime is 402212010427. The reversal of 402212010402 is 204010212204.

402212010402 is a `hidden beast` number, since 40 + 2 + 21 + 201 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3309973 + ... + 3429335.

It is an arithmetic number, because the mean of its divisors is an integer number (27932071230).

Almost surely, 2^402212010402 is an apocalyptic number.

402212010402 is an abundant number, since it is smaller than the sum of its proper divisors (491614268958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402212010402 is a wasteful number, since it uses less digits than its factorization.

402212010402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181775 (or 181769 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 402212010402 its reverse (204010212204), we get a palindrome (606222222606).

The spelling of 402212010402 in words is "four hundred two billion, two hundred twelve million, ten thousand, four hundred two".