2656061340 has 24 divisors (see below), whose sum is σ = 7436971920. Its totient is φ = 708283008.

The previous prime is 2656061339. The next prime is 2656061371. The reversal of 2656061340 is 431606562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22133785 + ... + 22133904.

It is an arithmetic number, because the mean of its divisors is an integer number (309873830).

Almost surely, 2^2656061340 is an apocalyptic number.

2656061340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656061340 is an abundant number, since it is smaller than the sum of its proper divisors (4780910580).

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

2656061340 is a wasteful number, since it uses less digits than its factorization.

2656061340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44267701 (or 44267699 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2656061340 is about 51536.9900168801. The cubic root of 2656061340 is about 1384.8817755872.

The spelling of 2656061340 in words is "two billion, six hundred fifty-six million, sixty-one thousand, three hundred forty".