45494020008 has 320 divisors, whose sum is σ = 139638375360. Its totient is φ = 13782472704.

The previous prime is 45494019997. The next prime is 45494020067. The reversal of 45494020008 is 80002049454.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39117235 + ... + 39118397.

It is an arithmetic number, because the mean of its divisors is an integer number (436369923).

Almost surely, 2^45494020008 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 45494020008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69819187680).

45494020008 is an abundant number, since it is smaller than the sum of its proper divisors (94144355352).

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

45494020008 is a wasteful number, since it uses less digits than its factorization.

45494020008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 45494020008 in words is "forty-five billion, four hundred ninety-four million, twenty thousand, eight".