47606155920 has 200 divisors, whose sum is σ = 165551525304. Its totient is φ = 12678985728.

The previous prime is 47606155913. The next prime is 47606155937. The reversal of 47606155920 is 2955160674.

47606155920 is a `hidden beast` number, since 4 + 7 + 6 + 0 + 615 + 5 + 9 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4488464016 + 43117691904 = 66996^2 + 207648^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5678772 + ... + 5687148.

Almost surely, 2^47606155920 is an apocalyptic number.

47606155920 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 47606155920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82775762652).

47606155920 is an abundant number, since it is smaller than the sum of its proper divisors (117945369384).

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

47606155920 is a wasteful number, since it uses less digits than its factorization.

47606155920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279 (or 9264 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 47606155920 in words is "forty-seven billion, six hundred six million, one hundred fifty-five thousand, nine hundred twenty".