47423653536 has 144 divisors (see below), whose sum is σ = 145163158560. Its totient is φ = 13516715520.

The previous prime is 47423653439. The next prime is 47423653559. The reversal of 47423653536 is 63535632474.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1958946 + ... + 1983006.

It is an arithmetic number, because the mean of its divisors is an integer number (1008077490).

Almost surely, 2^47423653536 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 47423653536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72581579280).

47423653536 is an abundant number, since it is smaller than the sum of its proper divisors (97739505024).

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

47423653536 is a wasteful number, since it uses less digits than its factorization.

47423653536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24507 (or 24492 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 48.

The spelling of 47423653536 in words is "forty-seven billion, four hundred twenty-three million, six hundred fifty-three thousand, five hundred thirty-six".