842426464 has 24 divisors (see below), whose sum is σ = 1809303048. Its totient is φ = 382920960.

The previous prime is 842426461. The next prime is 842426477. The reversal of 842426464 is 464624248.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842426461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196277 + ... + 1196980.

It is an arithmetic number, because the mean of its divisors is an integer number (75387627).

Almost surely, 2^842426464 is an apocalyptic number.

It is an amenable number.

842426464 is an abundant number, since it is smaller than the sum of its proper divisors (966876584).

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

842426464 is a wasteful number, since it uses less digits than its factorization.

842426464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393278 (or 2393270 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

The square root of 842426464 is about 29024.5837868521. The cubic root of 842426464 is about 944.4464397015.

The spelling of 842426464 in words is "eight hundred forty-two million, four hundred twenty-six thousand, four hundred sixty-four".