42331890177 has 24 divisors (see below), whose sum is σ = 62347852008. Its totient is φ = 27667411200.

The previous prime is 42331890173. The next prime is 42331890187. The reversal of 42331890177 is 77109813324.

It can be written as a sum of positive squares in 4 ways, for example, as 34159910976 + 8171979201 = 184824^2 + 90399^2 .

It is not a de Polignac number, because 42331890177 - 2² = 42331890173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42331890173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596527 + ... + 663707.

It is an arithmetic number, because the mean of its divisors is an integer number (2597827167).

Almost surely, 2^42331890177 is an apocalyptic number.

It is an amenable number.

42331890177 is a deficient number, since it is larger than the sum of its proper divisors (20015961831).

42331890177 is a wasteful number, since it uses less digits than its factorization.

42331890177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68561 (or 68558 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 42331890177 in words is "forty-two billion, three hundred thirty-one million, eight hundred ninety thousand, one hundred seventy-seven".