15436140000 has 480 divisors, whose sum is σ = 53759591424. Its totient is φ = 3870720000.

The previous prime is 15436139987. The next prime is 15436140023. The reversal of 15436140000 is 4163451.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 79979904 + ... + 79980096.

Almost surely, 2^15436140000 is an apocalyptic number.

15436140000 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 15436140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26879795712).

15436140000 is an abundant number, since it is smaller than the sum of its proper divisors (38323451424).

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

15436140000 is a wasteful number, since it uses less digits than its factorization.

15436140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 15436140000 in words is "fifteen billion, four hundred thirty-six million, one hundred forty thousand".