444731137444 has 48 divisors (see below), whose sum is σ = 879585025536. Its totient is φ = 194923123200.

The previous prime is 444731137423. The next prime is 444731137483.

444731137444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×444731137444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444731137394 and 444731137403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210709 + ... + 966364.

It is an arithmetic number, because the mean of its divisors is an integer number (18324688032).

Almost surely, 2^444731137444 is an apocalyptic number.

444731137444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444731137444 is a deficient number, since it is larger than the sum of its proper divisors (434853888092).

444731137444 is a wasteful number, since it uses less digits than its factorization.

444731137444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177396 (or 1177394 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 46.

The spelling of 444731137444 in words is "four hundred forty-four billion, seven hundred thirty-one million, one hundred thirty-seven thousand, four hundred forty-four".