15402530000 has 200 divisors, whose sum is σ = 43814549856. Its totient is φ = 5169600000.

The previous prime is 15402529999. The next prime is 15402530047. The reversal of 15402530000 is 3520451.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1424615 + ... + 1435385.

Almost surely, 2^15402530000 is an apocalyptic number.

15402530000 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 15402530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21907274928).

15402530000 is an abundant number, since it is smaller than the sum of its proper divisors (28412019856).

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

15402530000 is a wasteful number, since it uses less digits than its factorization.

15402530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823 (or 10802 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 15402530000 in words is "fifteen billion, four hundred two million, five hundred thirty thousand".