49143428572 has 48 divisors (see below), whose sum is σ = 104149983168. Its totient is φ = 19807027200.

The previous prime is 49143428557. The next prime is 49143428611. The reversal of 49143428572 is 27582434194.

It is a super-2 number, since 2×49143428572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577572 + ... + 657172.

It is an arithmetic number, because the mean of its divisors is an integer number (2169791316).

Almost surely, 2^49143428572 is an apocalyptic number.

It is an amenable number.

49143428572 is an abundant number, since it is smaller than the sum of its proper divisors (55006554596).

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

49143428572 is a wasteful number, since it uses less digits than its factorization.

49143428572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80926 (or 80924 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 49143428572 in words is "forty-nine billion, one hundred forty-three million, four hundred twenty-eight thousand, five hundred seventy-two".