15400847085500 has 96 divisors (see below), whose sum is σ = 35634426085440. Its totient is φ = 5794641561600.

The previous prime is 15400847085469. The next prime is 15400847085511. The reversal of 15400847085500 is 558074800451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14330936 + ... + 15368064.

It is an arithmetic number, because the mean of its divisors is an integer number (371191938390).

Almost surely, 2^{15400847085500} is an apocalyptic number.

15400847085500 is a gapful number since it is divisible by the number (10) 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 15400847085500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17817213042720).

15400847085500 is an abundant number, since it is smaller than the sum of its proper divisors (20233578999940).

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

15400847085500 is a wasteful number, since it uses less digits than its factorization.

15400847085500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038912 (or 1038900 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 15400847085500 in words is "fifteen trillion, four hundred billion, eight hundred forty-seven million, eighty-five thousand, five hundred".