46621520 has 80 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 16396800.

The previous prime is 46621453. The next prime is 46621537. The reversal of 46621520 is 2512664.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×46621520² = 4347132254220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46621520.

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, 26426 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^46621520 is an apocalyptic number.

46621520 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 46621520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61067520).

46621520 is an abundant number, since it is smaller than the sum of its proper divisors (75513520).

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

46621520 is a wasteful number, since it uses less digits than its factorization.

46621520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 46621520 is about 6827.9953134137. The cubic root of 46621520 is about 359.9112950171.

The spelling of 46621520 in words is "forty-six million, six hundred twenty-one thousand, five hundred twenty".