47028139200 has 504 divisors, whose sum is σ = 191687175680. Its totient is φ = 10712217600.

The previous prime is 47028139181. The next prime is 47028139211. The reversal of 47028139200 is 293182074.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×47028139200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38202585 + ... + 38203815.

Almost surely, 2^47028139200 is an apocalyptic number.

47028139200 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 47028139200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95843587840).

47028139200 is an abundant number, since it is smaller than the sum of its proper divisors (144659036480).

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

47028139200 is a wasteful number, since it uses less digits than its factorization.

47028139200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 47028139200 in words is "forty-seven billion, twenty-eight million, one hundred thirty-nine thousand, two hundred".