2608881630 has 16 divisors (see below), whose sum is σ = 6261315984. Its totient is φ = 695701760.

The previous prime is 2608881623. The next prime is 2608881631. The reversal of 2608881630 is 361888062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2608881631) 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, 43481331 + ... + 43481390.

It is an arithmetic number, because the mean of its divisors is an integer number (391332249).

Almost surely, 2^2608881630 is an apocalyptic number.

2608881630 is an abundant number, since it is smaller than the sum of its proper divisors (3652434354).

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

2608881630 is a wasteful number, since it uses less digits than its factorization.

2608881630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86962731.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2608881630 is about 51077.2124337263. The cubic root of 2608881630 is about 1376.6328379482.

The spelling of 2608881630 in words is "two billion, six hundred eight million, eight hundred eighty-one thousand, six hundred thirty".