42745454724 has 96 divisors (see below), whose sum is σ = 115491430656. Its totient is φ = 12052684800.

The previous prime is 42745454707. The next prime is 42745454743.

It is a happy number.

42745454724 is nontrivially palindromic in base 10.

42745454724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2647444 + ... + 2663540.

It is an arithmetic number, because the mean of its divisors is an integer number (1203035736).

Almost surely, 2^42745454724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42745454724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57745715328).

42745454724 is an abundant number, since it is smaller than the sum of its proper divisors (72745975932).

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

42745454724 is a wasteful number, since it uses less digits than its factorization.

42745454724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525 (or 16523 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 48.

The spelling of 42745454724 in words is "forty-two billion, seven hundred forty-five million, four hundred fifty-four thousand, seven hundred twenty-four".