43139700980 has 24 divisors (see below), whose sum is σ = 92700196512. Its totient is φ = 16854580512.

The previous prime is 43139700977. The next prime is 43139700991. The reversal of 43139700980 is 8900793134.

It is a happy number.

It is a super-2 number, since 2×43139700980² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25080362 + ... + 25082081.

It is an arithmetic number, because the mean of its divisors is an integer number (3862508188).

Almost surely, 2^43139700980 is an apocalyptic number.

It is an amenable number.

43139700980 is an abundant number, since it is smaller than the sum of its proper divisors (49560495532).

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

43139700980 is a wasteful number, since it uses less digits than its factorization.

43139700980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50162495 (or 50162493 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 43139700980 in words is "forty-three billion, one hundred thirty-nine million, seven hundred thousand, nine hundred eighty".