30440944 has 20 divisors (see below), whose sum is σ = 59083024. Its totient is φ = 15193728.

The previous prime is 30440939. The next prime is 30440959. The reversal of 30440944 is 44904403.

It is a super-2 number, since 2×30440944² = 1853302143222272, which contains 22 as substring.

It is a congruent number.

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, 10324 + ... + 12940.

Almost surely, 2^30440944 is an apocalyptic number.

It is an amenable number.

30440944 is a deficient number, since it is larger than the sum of its proper divisors (28642080).

30440944 is a wasteful number, since it uses less digits than its factorization.

30440944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30440944 is about 5517.3312389234. The cubic root of 30440944 is about 312.2382029272.

The spelling of 30440944 in words is "thirty million, four hundred forty thousand, nine hundred forty-four".