440313972826 has 16 divisors (see below), whose sum is σ = 812887334784. Its totient is φ = 174190143024.

The previous prime is 440313972811. The next prime is 440313972851. The reversal of 440313972826 is 628279313044.

It is a self number, because there is not a number n which added to its sum of digits gives 440313972826.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209653590 + ... + 1209653953.

It is an arithmetic number, because the mean of its divisors is an integer number (50805458424).

Almost surely, 2^440313972826 is an apocalyptic number.

440313972826 is a deficient number, since it is larger than the sum of its proper divisors (372573361958).

440313972826 is a wasteful number, since it uses less digits than its factorization.

440313972826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419307565.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 440313972826 in words is "four hundred forty billion, three hundred thirteen million, nine hundred seventy-two thousand, eight hundred twenty-six".