440513379 has 48 divisors (see below), whose sum is σ = 681640960. Its totient is φ = 273637440.

The previous prime is 440513327. The next prime is 440513399. The reversal of 440513379 is 973315044.

It is not a de Polignac number, because 440513379 - 2¹² = 440509283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440513399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1434744 + ... + 1435050.

Almost surely, 2^440513379 is an apocalyptic number.

440513379 is a deficient number, since it is larger than the sum of its proper divisors (241127581).

440513379 is a wasteful number, since it uses less digits than its factorization.

440513379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 440513379 is about 20988.4105877506. The cubic root of 440513379 is about 760.8861886835.

The spelling of 440513379 in words is "four hundred forty million, five hundred thirteen thousand, three hundred seventy-nine".