45434394180 has 192 divisors, whose sum is σ = 162630720000. Its totient is φ = 10315178496.

The previous prime is 45434394121. The next prime is 45434394193. The reversal of 45434394180 is 8149343454.

45434394180 is a `hidden beast` number, since 4 + 5 + 434 + 39 + 4 + 180 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 522886 + ... + 603554.

It is an arithmetic number, because the mean of its divisors is an integer number (847035000).

Almost surely, 2^45434394180 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 45434394180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81315360000).

45434394180 is an abundant number, since it is smaller than the sum of its proper divisors (117196325820).

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

45434394180 is a wasteful number, since it uses less digits than its factorization.

45434394180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80843 (or 80835 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 45434394180 in words is "forty-five billion, four hundred thirty-four million, three hundred ninety-four thousand, one hundred eighty".