15102400445420 has 12 divisors (see below), whose sum is σ = 31715040935424. Its totient is φ = 6040960178160.

The previous prime is 15102400445417. The next prime is 15102400445449. The reversal of 15102400445420 is 2454400420151.

It is a super-3 number, since 3×15102400445420³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377560011116 + ... + 377560011155.

It is an arithmetic number, because the mean of its divisors is an integer number (2642920077952).

Almost surely, 2^{15102400445420} is an apocalyptic number.

15102400445420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15102400445420 is an abundant number, since it is smaller than the sum of its proper divisors (16612640490004).

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

15102400445420 is a wasteful number, since it uses less digits than its factorization.

15102400445420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755120022280 (or 755120022278 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 15102400445420 its reverse (2454400420151), we get a palindrome (17556800865571).

The spelling of 15102400445420 in words is "fifteen trillion, one hundred two billion, four hundred million, four hundred forty-five thousand, four hundred twenty".