440797947 has 16 divisors (see below), whose sum is σ = 623352960. Its totient is φ = 276112512.

The previous prime is 440797939. The next prime is 440797957. The reversal of 440797947 is 749797044.

It is not a de Polignac number, because 440797947 - 2³ = 440797939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 440797947.

It is not an unprimeable number, because it can be changed into a prime (440797927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24588 + ... + 38550.

It is an arithmetic number, because the mean of its divisors is an integer number (38959560).

Almost surely, 2^440797947 is an apocalyptic number.

440797947 is a deficient number, since it is larger than the sum of its proper divisors (182555013).

440797947 is a wasteful number, since it uses less digits than its factorization.

440797947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14602.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The square root of 440797947 is about 20995.1886631199. The cubic root of 440797947 is about 761.0499954779.

The spelling of 440797947 in words is "four hundred forty million, seven hundred ninety-seven thousand, nine hundred forty-seven".