46178504064 has 768 divisors, whose sum is σ = 177623746560. Its totient is φ = 11147673600.

The previous prime is 46178504063. The next prime is 46178504087. The reversal of 46178504064 is 46040587164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46178504063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 170400249 + ... + 170400519.

It is an arithmetic number, because the mean of its divisors is an integer number (231280920).

Almost surely, 2^46178504064 is an apocalyptic number.

46178504064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46178504064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88811873280).

46178504064 is an abundant number, since it is smaller than the sum of its proper divisors (131445242496).

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

46178504064 is a wasteful number, since it uses less digits than its factorization.

46178504064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 46178504064 in words is "forty-six billion, one hundred seventy-eight million, five hundred four thousand, sixty-four".