840422132 has 96 divisors (see below), whose sum is σ = 1752637824. Its totient is φ = 348364800.

The previous prime is 840422129. The next prime is 840422159. The reversal of 840422132 is 231224048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5155883 + ... + 5156045.

It is an arithmetic number, because the mean of its divisors is an integer number (18256644).

Almost surely, 2^840422132 is an apocalyptic number.

It is an amenable number.

840422132 is an abundant number, since it is smaller than the sum of its proper divisors (912215692).

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

840422132 is a wasteful number, since it uses less digits than its factorization.

840422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 840422132 is about 28990.0350465466. The cubic root of 840422132 is about 943.6968243243.

The spelling of 840422132 in words is "eight hundred forty million, four hundred twenty-two thousand, one hundred thirty-two".