402205551522 has 96 divisors (see below), whose sum is σ = 870470468352. Its totient is φ = 123818139648.

The previous prime is 402205551509. The next prime is 402205551551. The reversal of 402205551522 is 225155502204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26155428 + ... + 26170800.

It is an arithmetic number, because the mean of its divisors is an integer number (9067400712).

Almost surely, 2^402205551522 is an apocalyptic number.

402205551522 is an abundant number, since it is smaller than the sum of its proper divisors (468264916830).

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

402205551522 is a wasteful number, since it uses less digits than its factorization.

402205551522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15720 (or 15701 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 402205551522 in words is "four hundred two billion, two hundred five million, five hundred fifty-one thousand, five hundred twenty-two".