2540153887500 has 72 divisors (see below), whose sum is σ = 7408308119184. Its totient is φ = 677374360000.

The previous prime is 2540153887489. The next prime is 2540153887501. The reversal of 2540153887500 is 57883510452.

It is a self number, because there is not a number n which added to its sum of digits gives 2540153887500.

It is not an unprimeable number, because it can be changed into a prime (2540153887501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33831219 + ... + 33906218.

It is an arithmetic number, because the mean of its divisors is an integer number (102893168322).

Almost surely, 2^{2540153887500} is an apocalyptic number.

2540153887500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540153887500 is an abundant number, since it is smaller than the sum of its proper divisors (4868154231684).

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

2540153887500 is an equidigital number, since it uses as much as digits as its factorization.

2540153887500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67737469 (or 67737447 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 2540153887500 in words is "two trillion, five hundred forty billion, one hundred fifty-three million, eight hundred eighty-seven thousand, five hundred".