2612001644 has 36 divisors (see below), whose sum is σ = 5372145576. Its totient is φ = 1107880704.

The previous prime is 2612001619. The next prime is 2612001653. The reversal of 2612001644 is 4461002162.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49682 + ... + 87705.

It is an arithmetic number, because the mean of its divisors is an integer number (149226266).

Almost surely, 2^2612001644 is an apocalyptic number.

It is an amenable number.

2612001644 is an abundant number, since it is smaller than the sum of its proper divisors (2760143932).

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

2612001644 is a wasteful number, since it uses less digits than its factorization.

2612001644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137502 (or 137493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2612001644 is about 51107.7454403929. The cubic root of 2612001644 is about 1377.1814002913.

The spelling of 2612001644 in words is "two billion, six hundred twelve million, one thousand, six hundred forty-four".