2725626990 has 64 divisors (see below), whose sum is σ = 6595167744. Its totient is φ = 720897408.

The previous prime is 2725626989. The next prime is 2725626997. The reversal of 2725626990 is 996265272.

It is a happy number.

2725626990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725626997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2877697 + ... + 2878643.

It is an arithmetic number, because the mean of its divisors is an integer number (103049496).

Almost surely, 2^2725626990 is an apocalyptic number.

2725626990 is an abundant number, since it is smaller than the sum of its proper divisors (3869540754).

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

2725626990 is a wasteful number, since it uses less digits than its factorization.

2725626990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 2725626990 is about 52207.5376741712. The cubic root of 2725626990 is about 1396.8683384415.

The spelling of 2725626990 in words is "two billion, seven hundred twenty-five million, six hundred twenty-six thousand, nine hundred ninety".