47436755520 has 896 divisors, whose sum is σ = 196557668352. Its totient is φ = 9405849600.

The previous prime is 47436755503. The next prime is 47436755567. The reversal of 47436755520 is 2555763474.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47436755520.

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, 291022959 + ... + 291023121.

Almost surely, 2^47436755520 is an apocalyptic number.

47436755520 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 47436755520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98278834176).

47436755520 is an abundant number, since it is smaller than the sum of its proper divisors (149120912832).

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

47436755520 is a wasteful number, since it uses less digits than its factorization.

47436755520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 47436755520 in words is "forty-seven billion, four hundred thirty-six million, seven hundred fifty-five thousand, five hundred twenty".