44487678444 has 72 divisors (see below), whose sum is σ = 115969962864. Its totient is φ = 13260086400.

The previous prime is 44487678409. The next prime is 44487678457.

44487678444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×44487678444² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162567 + ... + 339710.

Almost surely, 2^44487678444 is an apocalyptic number.

44487678444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44487678444 is an abundant number, since it is smaller than the sum of its proper divisors (71482284420).

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

44487678444 is a wasteful number, since it uses less digits than its factorization.

44487678444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502367 (or 502354 counting only the distinct ones).

The product of its digits is 77070336, while the sum is 60.

The spelling of 44487678444 in words is "forty-four billion, four hundred eighty-seven million, six hundred seventy-eight thousand, four hundred forty-four".