2601109290 has 64 divisors (see below), whose sum is σ = 6886881792. Its totient is φ = 624652800.

The previous prime is 2601109289. The next prime is 2601109349. The reversal of 2601109290 is 929011062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65346 + ... + 97325.

It is an arithmetic number, because the mean of its divisors is an integer number (107607528).

Almost surely, 2^2601109290 is an apocalyptic number.

2601109290 is an abundant number, since it is smaller than the sum of its proper divisors (4285772502).

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

2601109290 is a wasteful number, since it uses less digits than its factorization.

2601109290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162735.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2601109290 is about 51001.0714593331. The cubic root of 2601109290 is about 1375.2643969799.

The spelling of 2601109290 in words is "two billion, six hundred one million, one hundred nine thousand, two hundred ninety".