2573840620 has 48 divisors (see below), whose sum is σ = 5978181888. Its totient is φ = 924652800.

The previous prime is 2573840617. The next prime is 2573840623. The reversal of 2573840620 is 260483752.

2573840620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2573840617) and next prime (2573840623).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 2573840620.

It is not an unprimeable number, because it can be changed into a prime (2573840623) 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, 124156 + ... + 143395.

It is an arithmetic number, because the mean of its divisors is an integer number (124545456).

Almost surely, 2^2573840620 is an apocalyptic number.

2573840620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573840620 is an abundant number, since it is smaller than the sum of its proper divisors (3404341268).

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

2573840620 is a wasteful number, since it uses less digits than its factorization.

2573840620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267610 (or 267608 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2573840620 is about 50733.0328287202. The cubic root of 2573840620 is about 1370.4416534758.

The spelling of 2573840620 in words is "two billion, five hundred seventy-three million, eight hundred forty thousand, six hundred twenty".