43157776942 has 12 divisors (see below), whose sum is σ = 75305917080. Its totient is φ = 18496190076.

The previous prime is 43157776939. The next prime is 43157776951. The reversal of 43157776942 is 24967775134.

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 5 ways as a sum of consecutive naturals, for example, 220192642 + ... + 220192837.

It is an arithmetic number, because the mean of its divisors is an integer number (6275493090).

Almost surely, 2^43157776942 is an apocalyptic number.

43157776942 is a deficient number, since it is larger than the sum of its proper divisors (32148140138).

43157776942 is a wasteful number, since it uses less digits than its factorization.

43157776942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440385495 (or 440385488 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 55.

The spelling of 43157776942 in words is "forty-three billion, one hundred fifty-seven million, seven hundred seventy-six thousand, nine hundred forty-two".