47440673280 has 1920 divisors, whose sum is σ = 235505926656. Its totient is φ = 8564244480.

The previous prime is 47440673251. The next prime is 47440673303. The reversal of 47440673280 is 8237604474.

47440673280 is a `hidden beast` number, since 47 + 440 + 67 + 32 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

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 191 ways as a sum of consecutive naturals, for example, 2790627832 + ... + 2790627848.

Almost surely, 2^47440673280 is an apocalyptic number.

47440673280 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 47440673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117752963328).

47440673280 is an abundant number, since it is smaller than the sum of its proper divisors (188065253376).

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

47440673280 is a wasteful number, since it uses less digits than its factorization.

47440673280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 47440673280 in words is "forty-seven billion, four hundred forty million, six hundred seventy-three thousand, two hundred eighty".