1600440344 has 16 divisors (see below), whose sum is σ = 3030538320. Its totient is φ = 792296800.

The previous prime is 1600440307. The next prime is 1600440389. The reversal of 1600440344 is 4430440061.

It is a super-2 number, since 2×1600440344² = 5122818589405676672, 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, 989564 + ... + 991179.

It is an arithmetic number, because the mean of its divisors is an integer number (189408645).

Almost surely, 2^1600440344 is an apocalyptic number.

It is an amenable number.

1600440344 is a deficient number, since it is larger than the sum of its proper divisors (1430097976).

1600440344 is a wasteful number, since it uses less digits than its factorization.

1600440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980850 (or 1980846 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1600440344 is about 40005.5039213356. The cubic root of 1600440344 is about 1169.7143832489.

The spelling of 1600440344 in words is "one billion, six hundred million, four hundred forty thousand, three hundred forty-four".