15234040120 has 128 divisors (see below), whose sum is σ = 37562616000. Its totient is φ = 5526798336.

The previous prime is 15234040103. The next prime is 15234040139. The reversal of 15234040120 is 2104043251.

It is a super-2 number, since 2×15234040120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15234040091 and 15234040100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7514547 + ... + 7516573.

Almost surely, 2^15234040120 is an apocalyptic number.

15234040120 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 15234040120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18781308000).

15234040120 is an abundant number, since it is smaller than the sum of its proper divisors (22328575880).

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

15234040120 is a wasteful number, since it uses less digits than its factorization.

15234040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15234040120 its reverse (2104043251), we get a palindrome (17338083371).

The spelling of 15234040120 in words is "fifteen billion, two hundred thirty-four million, forty thousand, one hundred twenty".