840922468 has 12 divisors (see below), whose sum is σ = 1489345200. Its totient is φ = 415395272.

The previous prime is 840922451. The next prime is 840922507. The reversal of 840922468 is 864229048.

It is a super-2 number, since 2×840922468² = 1414301194374422048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266118 + ... + 1266781.

It is an arithmetic number, because the mean of its divisors is an integer number (124112100).

Almost surely, 2^840922468 is an apocalyptic number.

It is an amenable number.

840922468 is a deficient number, since it is larger than the sum of its proper divisors (648422732).

840922468 is a wasteful number, since it uses less digits than its factorization.

840922468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532986 (or 2532984 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 840922468 is about 28998.6632105689. The cubic root of 840922468 is about 943.8840603207.

The spelling of 840922468 in words is "eight hundred forty million, nine hundred twenty-two thousand, four hundred sixty-eight".