46485920638464 has 160 divisors (see below), whose sum is σ = 127716253347936. Its totient is φ = 15013952225280.

The previous prime is 46485920638439. The next prime is 46485920638483. The reversal of 46485920638464 is 46483602958464.

It is a super-2 number, since 2×46485920638464² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11999514 + ... + 15393510.

Almost surely, 2^{46485920638464} 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 46485920638464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63858126673968).

46485920638464 is an abundant number, since it is smaller than the sum of its proper divisors (81230332709472).

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

46485920638464 is a wasteful number, since it uses less digits than its factorization.

46485920638464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394296 (or 3394280 counting only the distinct ones).

The product of its (nonzero) digits is 955514880, while the sum is 69.

The spelling of 46485920638464 in words is "forty-six trillion, four hundred eighty-five billion, nine hundred twenty million, six hundred thirty-eight thousand, four hundred sixty-four".