842326380 has 72 divisors (see below), whose sum is σ = 2920069152. Its totient is φ = 192531456.

The previous prime is 842326333. The next prime is 842326399. The reversal of 842326380 is 83623248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332997 + ... + 335516.

It is an arithmetic number, because the mean of its divisors is an integer number (40556516).

Almost surely, 2^842326380 is an apocalyptic number.

It is an amenable number.

842326380 is an abundant number, since it is smaller than the sum of its proper divisors (2077742772).

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

842326380 is a wasteful number, since it uses less digits than its factorization.

842326380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668535 (or 668530 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 842326380 is about 29022.8596110032. The cubic root of 842326380 is about 944.4090367451.

The spelling of 842326380 in words is "eight hundred forty-two million, three hundred twenty-six thousand, three hundred eighty".