46847185920 has 880 divisors, whose sum is σ = 178905310848. Its totient is φ = 11705057280.

The previous prime is 46847185867. The next prime is 46847185937. The reversal of 46847185920 is 2958174864.

It is a happy number.

46847185920 is a `hidden beast` number, since 4 + 6 + 8 + 47 + 1 + 8 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 659819485 + ... + 659819555.

Almost surely, 2^46847185920 is an apocalyptic number.

46847185920 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 46847185920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89452655424).

46847185920 is an abundant number, since it is smaller than the sum of its proper divisors (132058124928).

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

46847185920 is a wasteful number, since it uses less digits than its factorization.

46847185920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 46847185920 in words is "forty-six billion, eight hundred forty-seven million, one hundred eighty-five thousand, nine hundred twenty".