15030420503400 has 288 divisors, whose sum is σ = 50726381116320. Its totient is φ = 3988353600000.

The previous prime is 15030420503383. The next prime is 15030420503419. The reversal of 15030420503400 is 430502403051.

15030420503400 is a `hidden beast` number, since 1 + 50 + 3 + 0 + 4 + 205 + 0 + 3 + 400 = 666.

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, 492898554 + ... + 492929046.

It is an arithmetic number, because the mean of its divisors is an integer number (176133267765).

Almost surely, 2^{15030420503400} is an apocalyptic number.

15030420503400 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 15030420503400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25363190558160).

15030420503400 is an abundant number, since it is smaller than the sum of its proper divisors (35695960612920).

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

15030420503400 is a wasteful number, since it uses less digits than its factorization.

15030420503400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857 (or 31845 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 15030420503400 its reverse (430502403051), we get a palindrome (15460922906451).

The spelling of 15030420503400 in words is "fifteen trillion, thirty billion, four hundred twenty million, five hundred three thousand, four hundred".