2547872629920 has 192 divisors, whose sum is σ = 8922847127040. Its totient is φ = 679029433344.

The previous prime is 2547872629831. The next prime is 2547872629921. The reversal of 2547872629920 is 299262787452.

2547872629920 is a `hidden beast` number, since 2 + 5 + 478 + 72 + 6 + 2 + 9 + 92 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (2547872629921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7139577 + ... + 7487943.

It is an arithmetic number, because the mean of its divisors is an integer number (46473162120).

Almost surely, 2^{2547872629920} is an apocalyptic number.

2547872629920 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 2547872629920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4461423563520).

2547872629920 is an abundant number, since it is smaller than the sum of its proper divisors (6374974497120).

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

2547872629920 is a wasteful number, since it uses less digits than its factorization.

2547872629920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350084 (or 350070 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 2547872629920 in words is "two trillion, five hundred forty-seven billion, eight hundred seventy-two million, six hundred twenty-nine thousand, nine hundred twenty".