15420300000 has 432 divisors, whose sum is σ = 58911073200. Its totient is φ = 3521280000.

The previous prime is 15420299987. The next prime is 15420300017. The reversal of 15420300000 is 302451.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 14699476 + ... + 14700524.

It is an arithmetic number, because the mean of its divisors is an integer number (136368225).

Almost surely, 2^15420300000 is an apocalyptic number.

15420300000 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 15420300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29455536600).

15420300000 is an abundant number, since it is smaller than the sum of its proper divisors (43490773200).

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

15420300000 is an equidigital number, since it uses as much as digits as its factorization.

15420300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 15420300000 its reverse (302451), we get a palindrome (15420602451).

The spelling of 15420300000 in words is "fifteen billion, four hundred twenty million, three hundred thousand".