46521918720 has 216 divisors, whose sum is σ = 161345184000. Its totient is φ = 12376240128.

The previous prime is 46521918719. The next prime is 46521918739. The reversal of 46521918720 is 2781912564.

46521918720 is a `hidden beast` number, since 46 + 521 + 9 + 1 + 87 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5052681 + ... + 5061879.

Almost surely, 2^46521918720 is an apocalyptic number.

46521918720 is a gapful number since it is divisible by the number (40) 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 46521918720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80672592000).

46521918720 is an abundant number, since it is smaller than the sum of its proper divisors (114823265280).

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

46521918720 is a wasteful number, since it uses less digits than its factorization.

46521918720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665 (or 9648 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 46521918720 in words is "forty-six billion, five hundred twenty-one million, nine hundred eighteen thousand, seven hundred twenty".