2508858955984 has 80 divisors (see below), whose sum is σ = 5104642567680. Its totient is φ = 1192970304000.

The previous prime is 2508858955907. The next prime is 2508858956011. The reversal of 2508858955984 is 4895598588052.

It is a super-2 number, since 2×2508858955984² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2508858955984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33516519 + ... + 33591289.

It is an arithmetic number, because the mean of its divisors is an integer number (63808032096).

Almost surely, 2^{2508858955984} 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 2508858955984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552321283840).

2508858955984 is an abundant number, since it is smaller than the sum of its proper divisors (2595783611696).

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

2508858955984 is a wasteful number, since it uses less digits than its factorization.

2508858955984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75980 (or 75974 counting only the distinct ones).

The product of its (nonzero) digits is 1658880000, while the sum is 76.

The spelling of 2508858955984 in words is "two trillion, five hundred eight billion, eight hundred fifty-eight million, nine hundred fifty-five thousand, nine hundred eighty-four".