82424402402 has 16 divisors (see below), whose sum is σ = 124786510200. Its totient is φ = 40828993920.

The previous prime is 82424402353. The next prime is 82424402413. The reversal of 82424402402 is 20420442428.

It can be written as a sum of positive squares in 4 ways, for example, as 81105913681 + 1318488721 = 284791^2 + 36311^2 .

It is a super-2 number, since 2×82424402402² (a number of 23 digits) contains 22 as substring.

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, 2198252 + ... + 2235432.

Almost surely, 2^82424402402 is an apocalyptic number.

82424402402 is a deficient number, since it is larger than the sum of its proper divisors (42362107798).

82424402402 is a wasteful number, since it uses less digits than its factorization.

82424402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47461.

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 82424402402 in words is "eighty-two billion, four hundred twenty-four million, four hundred two thousand, four hundred two".