2626813940 has 12 divisors (see below), whose sum is σ = 5516309316. Its totient is φ = 1050725568.

The previous prime is 2626813913. The next prime is 2626813951. The reversal of 2626813940 is 493186262.

It can be written as a sum of positive squares in 2 ways, for example, as 2013855376 + 612958564 = 44876^2 + 24758^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65670329 + ... + 65670368.

It is an arithmetic number, because the mean of its divisors is an integer number (459692443).

Almost surely, 2^2626813940 is an apocalyptic number.

2626813940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2626813940 is an abundant number, since it is smaller than the sum of its proper divisors (2889495376).

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

2626813940 is a wasteful number, since it uses less digits than its factorization.

2626813940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131340706 (or 131340704 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2626813940 is about 51252.4530144656. The cubic root of 2626813940 is about 1379.7797625152.

The spelling of 2626813940 in words is "two billion, six hundred twenty-six million, eight hundred thirteen thousand, nine hundred forty".