440439960672 has 48 divisors (see below), whose sum is σ = 1284616554480. Its totient is φ = 146813319936.

The previous prime is 440439960637. The next prime is 440439960721. The reversal of 440439960672 is 276069934044.

440439960672 is a `hidden beast` number, since 440 + 43 + 9 + 96 + 0 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 254883373 + ... + 254885100.

It is an arithmetic number, because the mean of its divisors is an integer number (26762844885).

Almost surely, 2^440439960672 is an apocalyptic number.

It is an amenable number.

440439960672 is an abundant number, since it is smaller than the sum of its proper divisors (844176593808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440439960672 is a wasteful number, since it uses less digits than its factorization.

440439960672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509768492 (or 509768478 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 440439960672 in words is "four hundred forty billion, four hundred thirty-nine million, nine hundred sixty thousand, six hundred seventy-two".