43973997139104 has 48 divisors (see below), whose sum is σ = 115571999979072. Its totient is φ = 14640188571648.

The previous prime is 43973997139073. The next prime is 43973997139187. The reversal of 43973997139104 is 40193179937934.

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

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

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, 278209249 + ... + 278367264.

It is an arithmetic number, because the mean of its divisors is an integer number (2407749999564).

Almost surely, 2^{43973997139104} is an apocalyptic number.

It is an amenable number.

43973997139104 is an abundant number, since it is smaller than the sum of its proper divisors (71598002839968).

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

43973997139104 is a wasteful number, since it uses less digits than its factorization.

43973997139104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556577349 (or 556577341 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 69.

The spelling of 43973997139104 in words is "forty-three trillion, nine hundred seventy-three billion, nine hundred ninety-seven million, one hundred thirty-nine thousand, one hundred four".