43948091044 has 81 divisors (see below), whose sum is σ = 91664592579. Its totient is φ = 18414601920.

The previous prime is 43948091039. The next prime is 43948091051. The reversal of 43948091044 is 44019084934.

The square root of 43948091044 is 209638.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2625332644 + 41322758400 = 51238^2 + 203280^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43948090985 and 43948091003.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 59956102 + ... + 59956834.

Almost surely, 2^43948091044 is an apocalyptic number.

43948091044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

43948091044 is the 209638-th square number.

It is an amenable number.

43948091044 is an abundant number, since it is smaller than the sum of its proper divisors (47716501535).

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

43948091044 is a wasteful number, since it uses less digits than its factorization.

43948091044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 43948091044 in words is "forty-three billion, nine hundred forty-eight million, ninety-one thousand, forty-four".