45515627940 has 24 divisors (see below), whose sum is σ = 127443758400. Its totient is φ = 12137500768.

The previous prime is 45515627921. The next prime is 45515627987. The reversal of 45515627940 is 4972651554.

45515627940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45515627940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379296840 + ... + 379296959.

It is an arithmetic number, because the mean of its divisors is an integer number (5310156600).

Almost surely, 2^45515627940 is an apocalyptic number.

It is an amenable number.

45515627940 is an abundant number, since it is smaller than the sum of its proper divisors (81928130460).

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

45515627940 is a wasteful number, since it uses less digits than its factorization.

45515627940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758593811 (or 758593809 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 45515627940 in words is "forty-five billion, five hundred fifteen million, six hundred twenty-seven thousand, nine hundred forty".