44540452542 has 32 divisors (see below), whose sum is σ = 89400729600. Its totient is φ = 14793592608.

The previous prime is 44540452501. The next prime is 44540452543. The reversal of 44540452542 is 24525404544.

It is a self number, because there is not a number n which added to its sum of digits gives 44540452542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44540452543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415843 + ... + 2434209.

It is an arithmetic number, because the mean of its divisors is an integer number (2793772800).

Almost surely, 2^44540452542 is an apocalyptic number.

44540452542 is an abundant number, since it is smaller than the sum of its proper divisors (44860277058).

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

44540452542 is a wasteful number, since it uses less digits than its factorization.

44540452542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19800.

The product of its (nonzero) digits is 512000, while the sum is 39.

The spelling of 44540452542 in words is "forty-four billion, five hundred forty million, four hundred fifty-two thousand, five hundred forty-two".