44487039892 has 18 divisors (see below), whose sum is σ = 77975506238. Its totient is φ = 22208340672.

The previous prime is 44487039887. The next prime is 44487039899. The reversal of 44487039892 is 29893078444.

44487039892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1008951696 + 43478088196 = 31764^2 + 208514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44487039899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11604408 + ... + 11608240.

Almost surely, 2^44487039892 is an apocalyptic number.

It is an amenable number.

44487039892 is a deficient number, since it is larger than the sum of its proper divisors (33488466346).

44487039892 is an frugal number, since it uses more digits than its factorization.

44487039892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 44487039892 in words is "forty-four billion, four hundred eighty-seven million, thirty-nine thousand, eight hundred ninety-two".