2640601460 has 24 divisors (see below), whose sum is σ = 6337443840. Its totient is φ = 905349024.

The previous prime is 2640601429. The next prime is 2640601499. The reversal of 2640601460 is 641060462.

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, 9430580 + ... + 9430859.

It is an arithmetic number, because the mean of its divisors is an integer number (264060160).

Almost surely, 2^2640601460 is an apocalyptic number.

2640601460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640601460 is an abundant number, since it is smaller than the sum of its proper divisors (3696842380).

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

2640601460 is a wasteful number, since it uses less digits than its factorization.

2640601460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18861455 (or 18861453 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2640601460 is about 51386.7829310223. The cubic root of 2640601460 is about 1382.1895961930.

The spelling of 2640601460 in words is "two billion, six hundred forty million, six hundred one thousand, four hundred sixty".