2570320920 has 128 divisors (see below), whose sum is σ = 7801309440. Its totient is φ = 677445120.

The previous prime is 2570320903. The next prime is 2570320999. The reversal of 2570320920 is 290230752.

It is a happy number.

2570320920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6474162 + ... + 6474558.

It is an arithmetic number, because the mean of its divisors is an integer number (60947730).

Almost surely, 2^2570320920 is an apocalyptic number.

2570320920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2570320920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900654720).

2570320920 is an abundant number, since it is smaller than the sum of its proper divisors (5230988520).

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

2570320920 is a wasteful number, since it uses less digits than its factorization.

2570320920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2570320920 is about 50698.3325169576. The cubic root of 2570320920 is about 1369.8166803213.

The spelling of 2570320920 in words is "two billion, five hundred seventy million, three hundred twenty thousand, nine hundred twenty".