4251252322544 has 40 divisors (see below), whose sum is σ = 8752355983008. Its totient is φ = 1993469757440.

The previous prime is 4251252322543. The next prime is 4251252322573. The reversal of 4251252322544 is 4452232521524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251252322543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27734252 + ... + 27887115.

Almost surely, 2^{4251252322544} is an apocalyptic number.

It is an amenable number.

4251252322544 is an abundant number, since it is smaller than the sum of its proper divisors (4501103660464).

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

4251252322544 is a wasteful number, since it uses less digits than its factorization.

4251252322544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55621673 (or 55621667 counting only the distinct ones).

The product of its digits is 768000, while the sum is 41.

The spelling of 4251252322544 in words is "four trillion, two hundred fifty-one billion, two hundred fifty-two million, three hundred twenty-two thousand, five hundred forty-four".