45278773876020 has 48 divisors (see below), whose sum is σ = 126802067007168. Its totient is φ = 12072292066560.

The previous prime is 45278773876001. The next prime is 45278773876027. The reversal of 45278773876020 is 2067837787254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278773876027) 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, 63631786 + ... + 64339425.

It is an arithmetic number, because the mean of its divisors is an integer number (2641709729316).

Almost surely, 2^{45278773876020} is an apocalyptic number.

It is an amenable number.

45278773876020 is an abundant number, since it is smaller than the sum of its proper divisors (81523293131148).

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

45278773876020 is a wasteful number, since it uses less digits than its factorization.

45278773876020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127977120 (or 127977118 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 66.

The spelling of 45278773876020 in words is "forty-five trillion, two hundred seventy-eight billion, seven hundred seventy-three million, eight hundred seventy-six thousand, twenty".