2520785124 has 240 divisors, whose sum is σ = 7936701696. Its totient is φ = 687398400.

The previous prime is 2520785117. The next prime is 2520785161. The reversal of 2520785124 is 4215870252.

It is a happy number.

2520785124 is a `hidden beast` number, since 2 + 520 + 7 + 8 + 5 + 124 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1898949 + ... + 1900275.

Almost surely, 2^2520785124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2520785124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968350848).

2520785124 is an abundant number, since it is smaller than the sum of its proper divisors (5415916572).

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

2520785124 is a wasteful number, since it uses less digits than its factorization.

2520785124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2520785124 is about 50207.4210052657. The cubic root of 2520785124 is about 1360.9597327496.

The spelling of 2520785124 in words is "two billion, five hundred twenty million, seven hundred eighty-five thousand, one hundred twenty-four".