402022511382 has 16 divisors (see below), whose sum is σ = 809913966192. Its totient is φ = 133029346560.

The previous prime is 402022511339. The next prime is 402022511399. The reversal of 402022511382 is 283115220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244538419 + ... + 244540062.

It is an arithmetic number, because the mean of its divisors is an integer number (50619622887).

Almost surely, 2^402022511382 is an apocalyptic number.

402022511382 is an abundant number, since it is smaller than the sum of its proper divisors (407891454810).

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

402022511382 is a wasteful number, since it uses less digits than its factorization.

402022511382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489078623.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 402022511382 its reverse (283115220204), we get a palindrome (685137731586).

The spelling of 402022511382 in words is "four hundred two billion, twenty-two million, five hundred eleven thousand, three hundred eighty-two".