15200030450400 has 144 divisors (see below), whose sum is σ = 50528782450944. Its totient is φ = 3967100116480.

The previous prime is 15200030450393. The next prime is 15200030450443. The reversal of 15200030450400 is 405403000251.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67263222 + ... + 67488821.

It is an arithmetic number, because the mean of its divisors is an integer number (350894322576).

Almost surely, 2^{15200030450400} is an apocalyptic number.

15200030450400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15200030450400 is an abundant number, since it is smaller than the sum of its proper divisors (35328752000544).

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

15200030450400 is a wasteful number, since it uses less digits than its factorization.

15200030450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134752113 (or 134752100 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 15200030450400 its reverse (405403000251), we get a palindrome (15605433450651).

The spelling of 15200030450400 in words is "fifteen trillion, two hundred billion, thirty million, four hundred fifty thousand, four hundred".