2621340580 has 24 divisors (see below), whose sum is σ = 5506022592. Its totient is φ = 1048306272.

The previous prime is 2621340569. The next prime is 2621340593. The reversal of 2621340580 is 850431262.

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, 102129 + ... + 125191.

It is an arithmetic number, because the mean of its divisors is an integer number (229417608).

Almost surely, 2^2621340580 is an apocalyptic number.

2621340580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2621340580 is an abundant number, since it is smaller than the sum of its proper divisors (2884682012).

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

2621340580 is a wasteful number, since it uses less digits than its factorization.

2621340580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28755 (or 28753 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2621340580 is about 51199.0290923568. The cubic root of 2621340580 is about 1378.8207702561.

The spelling of 2621340580 in words is "two billion, six hundred twenty-one million, three hundred forty thousand, five hundred eighty".