47662669944 has 160 divisors (see below), whose sum is σ = 142307616000. Its totient is φ = 14860542528.

The previous prime is 47662669937. The next prime is 47662669949. The reversal of 47662669944 is 44996626674.

47662669944 is a `hidden beast` number, since 476 + 62 + 6 + 69 + 9 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47662669949) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 948147 + ... + 997149.

It is an arithmetic number, because the mean of its divisors is an integer number (889422600).

Almost surely, 2^47662669944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47662669944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71153808000).

47662669944 is an abundant number, since it is smaller than the sum of its proper divisors (94644946056).

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

47662669944 is a wasteful number, since it uses less digits than its factorization.

47662669944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49119 (or 49106 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 47662669944 in words is "forty-seven billion, six hundred sixty-two million, six hundred sixty-nine thousand, nine hundred forty-four".