3440392872 has 64 divisors (see below), whose sum is σ = 9886596480. Its totient is φ = 977279232.

The previous prime is 3440392807. The next prime is 3440392889. The reversal of 3440392872 is 2782930443.

It is a super-2 number, since 2×3440392872² = 23672606227416816768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30123 + ... + 88250.

It is an arithmetic number, because the mean of its divisors is an integer number (154478070).

Almost surely, 2^3440392872 is an apocalyptic number.

It is an amenable number.

3440392872 is an abundant number, since it is smaller than the sum of its proper divisors (6446203608).

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

3440392872 is a wasteful number, since it uses less digits than its factorization.

3440392872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118562 (or 118558 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 3440392872 is about 58654.8623048422. The cubic root of 3440392872 is about 1509.6259284200.

The spelling of 3440392872 in words is "three billion, four hundred forty million, three hundred ninety-two thousand, eight hundred seventy-two".