45771724221708 has 48 divisors (see below), whose sum is σ = 112423402891520. Its totient is φ = 14454019888704.

The previous prime is 45771724221683. The next prime is 45771724221709. The reversal of 45771724221708 is 80712242717754.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (45771724221709) 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, 14763585 + ... + 17592807.

Almost surely, 2^{45771724221708} is an apocalyptic number.

It is an amenable number.

45771724221708 is an abundant number, since it is smaller than the sum of its proper divisors (66651678669812).

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

45771724221708 is a wasteful number, since it uses less digits than its factorization.

45771724221708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900206 (or 2900204 counting only the distinct ones).

The product of its (nonzero) digits is 12293120, while the sum is 57.

The spelling of 45771724221708 in words is "forty-five trillion, seven hundred seventy-one billion, seven hundred twenty-four million, two hundred twenty-one thousand, seven hundred eight".