42550178632 has 32 divisors (see below), whose sum is σ = 87327145080. Its totient is φ = 19316597760.

The previous prime is 42550178609. The next prime is 42550178633. The reversal of 42550178632 is 23687105524.

It can be written as a sum of positive squares in 4 ways, for example, as 31497020676 + 11053157956 = 177474^2 + 105134^2 .

It is not an unprimeable number, because it can be changed into a prime (42550178633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347233 + ... + 3359920.

Almost surely, 2^42550178632 is an apocalyptic number.

It is an amenable number.

42550178632 is an abundant number, since it is smaller than the sum of its proper divisors (44776966448).

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

42550178632 is a wasteful number, since it uses less digits than its factorization.

42550178632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707233 (or 6707229 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 42550178632 in words is "forty-two billion, five hundred fifty million, one hundred seventy-eight thousand, six hundred thirty-two".