45490371792 has 20 divisors (see below), whose sum is σ = 117516793920. Its totient is φ = 15163457248.

The previous prime is 45490371781. The next prime is 45490371803. The reversal of 45490371792 is 29717309454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45490371781) and next prime (45490371803).

It is a congruent number.

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, 473857992 + ... + 473858087.

It is an arithmetic number, because the mean of its divisors is an integer number (5875839696).

Almost surely, 2^45490371792 is an apocalyptic number.

It is an amenable number.

45490371792 is an abundant number, since it is smaller than the sum of its proper divisors (72026422128).

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

45490371792 is a wasteful number, since it uses less digits than its factorization.

45490371792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947716090 (or 947716084 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 45490371792 in words is "forty-five billion, four hundred ninety million, three hundred seventy-one thousand, seven hundred ninety-two".