47766468540 has 384 divisors, whose sum is σ = 169687203840. Its totient is φ = 9788055552.

The previous prime is 47766468511. The next prime is 47766468551. The reversal of 47766468540 is 4586466774.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17802039 + ... + 17804721.

It is an arithmetic number, because the mean of its divisors is an integer number (441893760).

Almost surely, 2^47766468540 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 47766468540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84843601920).

47766468540 is an abundant number, since it is smaller than the sum of its proper divisors (121920735300).

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

47766468540 is a wasteful number, since it uses less digits than its factorization.

47766468540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 47766468540 in words is "forty-seven billion, seven hundred sixty-six million, four hundred sixty-eight thousand, five hundred forty".