2532444753978 has 24 divisors (see below), whose sum is σ = 5614567440768. Its totient is φ = 824516896392.

The previous prime is 2532444753977. The next prime is 2532444753989. The reversal of 2532444753978 is 8793574442352.

It is a happy number.

2532444753978 is a `hidden beast` number, since 2 + 5 + 3 + 24 + 4 + 4 + 7 + 539 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (2532444753977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1635945450 + ... + 1635946997.

It is an arithmetic number, because the mean of its divisors is an integer number (233940310032).

Almost surely, 2^{2532444753978} is an apocalyptic number.

2532444753978 is an abundant number, since it is smaller than the sum of its proper divisors (3082122686790).

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

2532444753978 is a wasteful number, since it uses less digits than its factorization.

2532444753978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271892498 (or 3271892495 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 63.

The spelling of 2532444753978 in words is "two trillion, five hundred thirty-two billion, four hundred forty-four million, seven hundred fifty-three thousand, nine hundred seventy-eight".