47031756400 has 120 divisors (see below), whose sum is σ = 120891878000. Its totient is φ = 17530214400.

The previous prime is 47031756323. The next prime is 47031756407. The reversal of 47031756400 is 465713074.

It is a super-2 number, since 2×47031756400² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47031756400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47031756407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412876 + ... + 514324.

Almost surely, 2^47031756400 is an apocalyptic number.

47031756400 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 47031756400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60445939000).

47031756400 is an abundant number, since it is smaller than the sum of its proper divisors (73860121600).

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

47031756400 is a wasteful number, since it uses less digits than its factorization.

47031756400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101547 (or 101536 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 47031756400 in words is "forty-seven billion, thirty-one million, seven hundred fifty-six thousand, four hundred".