43139119872 has 72 divisors (see below), whose sum is σ = 118516679680. Its totient is φ = 13915837440.

The previous prime is 43139119871. The next prime is 43139119897. The reversal of 43139119872 is 27891193134.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (43139119871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882172 + ... + 929787.

Almost surely, 2^43139119872 is an apocalyptic number.

It is an amenable number.

43139119872 is an abundant number, since it is smaller than the sum of its proper divisors (75377559808).

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

43139119872 is a wasteful number, since it uses less digits than its factorization.

43139119872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812009 (or 1811995 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The spelling of 43139119872 in words is "forty-three billion, one hundred thirty-nine million, one hundred nineteen thousand, eight hundred seventy-two".