2651377620 has 24 divisors (see below), whose sum is σ = 7423857504. Its totient is φ = 707034016.

The previous prime is 2651377559. The next prime is 2651377621. The reversal of 2651377620 is 267731562.

2651377620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651377621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22094754 + ... + 22094873.

It is an arithmetic number, because the mean of its divisors is an integer number (309327396).

Almost surely, 2^2651377620 is an apocalyptic number.

2651377620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651377620 is an abundant number, since it is smaller than the sum of its proper divisors (4772479884).

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

2651377620 is a wasteful number, since it uses less digits than its factorization.

2651377620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44189639 (or 44189637 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2651377620 is about 51491.5295946819. The cubic root of 2651377620 is about 1384.0672593918.

The spelling of 2651377620 in words is "two billion, six hundred fifty-one million, three hundred seventy-seven thousand, six hundred twenty".