42919634944 has 24 divisors (see below), whose sum is σ = 85818317130. Its totient is φ = 21459816448.

The previous prime is 42919634929. The next prime is 42919635041. The reversal of 42919634944 is 44943691924.

It can be written as a sum of positive squares in only one way, i.e., 28062950400 + 14856684544 = 167520^2 + 121888^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10476379 + ... + 10480474.

Almost surely, 2^42919634944 is an apocalyptic number.

It is an amenable number.

42919634944 is a deficient number, since it is larger than the sum of its proper divisors (42898682186).

42919634944 is an equidigital number, since it uses as much as digits as its factorization.

42919634944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20956875 (or 20956855 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 42919634944 in words is "forty-two billion, nine hundred nineteen million, six hundred thirty-four thousand, nine hundred forty-four".