2545007976 has 144 divisors (see below), whose sum is σ = 8067814560. Its totient is φ = 709974720.

The previous prime is 2545007929. The next prime is 2545007987. The reversal of 2545007976 is 6797005452.

2545007976 is a `hidden beast` number, since 2 + 5 + 4 + 500 + 79 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 930531 + ... + 933261.

It is an arithmetic number, because the mean of its divisors is an integer number (56026490).

Almost surely, 2^2545007976 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 2545007976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4033907280).

2545007976 is an abundant number, since it is smaller than the sum of its proper divisors (5522806584).

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

2545007976 is a wasteful number, since it uses less digits than its factorization.

2545007976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2786 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 2545007976 is about 50448.0720741635. The cubic root of 2545007976 is about 1365.3051107189.

The spelling of 2545007976 in words is "two billion, five hundred forty-five million, seven thousand, nine hundred seventy-six".