2621464340 has 24 divisors (see below), whose sum is σ = 6005536992. Its totient is φ = 953259680.

The previous prime is 2621464301. The next prime is 2621464357. The reversal of 2621464340 is 434641262.

It is a junction number, because it is equal to n+sod(n) for n = 2621464297 and 2621464306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5957654 + ... + 5958093.

It is an arithmetic number, because the mean of its divisors is an integer number (250230708).

Almost surely, 2^2621464340 is an apocalyptic number.

2621464340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2621464340 is an abundant number, since it is smaller than the sum of its proper divisors (3384072652).

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

2621464340 is a wasteful number, since it uses less digits than its factorization.

2621464340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11915767 (or 11915765 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2621464340 is about 51200.2376947608. The cubic root of 2621464340 is about 1378.8424690991.

The spelling of 2621464340 in words is "two billion, six hundred twenty-one million, four hundred sixty-four thousand, three hundred forty".