2646314140 has 48 divisors (see below), whose sum is σ = 5590892160. Its totient is φ = 1052144640.

The previous prime is 2646314137. The next prime is 2646314147. The reversal of 2646314140 is 414136462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646314147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3732106 + ... + 3732814.

It is an arithmetic number, because the mean of its divisors is an integer number (116476920).

Almost surely, 2^2646314140 is an apocalyptic number.

2646314140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646314140 is an abundant number, since it is smaller than the sum of its proper divisors (2944578020).

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

2646314140 is a wasteful number, since it uses less digits than its factorization.

2646314140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2646314140 is about 51442.3380106309. The cubic root of 2646314140 is about 1383.1856217500.

The spelling of 2646314140 in words is "two billion, six hundred forty-six million, three hundred fourteen thousand, one hundred forty".