45870472648 has 512 divisors, whose sum is σ = 127083479040. Its totient is φ = 14944849920.

The previous prime is 45870472643. The next prime is 45870472679. The reversal of 45870472648 is 84627407854.

It is a super-2 number, since 2×45870472648² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45870472643) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 361184761 + ... + 361184887.

It is an arithmetic number, because the mean of its divisors is an integer number (248209920).

Almost surely, 2^45870472648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45870472648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63541739520).

45870472648 is an abundant number, since it is smaller than the sum of its proper divisors (81213006392).

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

45870472648 is a wasteful number, since it uses less digits than its factorization.

45870472648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 45870472648 in words is "forty-five billion, eight hundred seventy million, four hundred seventy-two thousand, six hundred forty-eight".