45436720442 has 8 divisors (see below), whose sum is σ = 68234057856. Its totient is φ = 22692034492.

The previous prime is 45436720421. The next prime is 45436720457. The reversal of 45436720442 is 24402763454.

45436720442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45436720442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160708 + ... + 13164159.

It is an arithmetic number, because the mean of its divisors is an integer number (8529257232).

Almost surely, 2^45436720442 is an apocalyptic number.

45436720442 is a deficient number, since it is larger than the sum of its proper divisors (22797337414).

45436720442 is a wasteful number, since it uses less digits than its factorization.

45436720442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26325732.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 45436720442 in words is "forty-five billion, four hundred thirty-six million, seven hundred twenty thousand, four hundred forty-two".