45271668540 has 96 divisors (see below), whose sum is σ = 144942336000. Its totient is φ = 10342596096.

The previous prime is 45271668521. The next prime is 45271668587. The reversal of 45271668540 is 4586617254.

It is a self number, because there is not a number n which added to its sum of digits gives 45271668540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840336 + ... + 892584.

It is an arithmetic number, because the mean of its divisors is an integer number (1509816000).

Almost surely, 2^45271668540 is an apocalyptic number.

It is an amenable number.

45271668540 is an abundant number, since it is smaller than the sum of its proper divisors (99670667460).

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

45271668540 is a wasteful number, since it uses less digits than its factorization.

45271668540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54331 (or 54329 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 45271668540 in words is "forty-five billion, two hundred seventy-one million, six hundred sixty-eight thousand, five hundred forty".