2601636042 has 16 divisors (see below), whose sum is σ = 5215129920. Its totient is φ = 865235712.

The previous prime is 2601636029. The next prime is 2601636061. The reversal of 2601636042 is 2406361062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491223 + ... + 496490.

It is an arithmetic number, because the mean of its divisors is an integer number (325945620).

Almost surely, 2^2601636042 is an apocalyptic number.

2601636042 is an abundant number, since it is smaller than the sum of its proper divisors (2613493878).

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

2601636042 is a wasteful number, since it uses less digits than its factorization.

2601636042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988157.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2601636042 is about 51006.2353247130. The cubic root of 2601636042 is about 1375.3572258842.

The spelling of 2601636042 in words is "two billion, six hundred one million, six hundred thirty-six thousand, forty-two".