15120240430 has 16 divisors (see below), whose sum is σ = 27218643840. Its totient is φ = 6047604832.

The previous prime is 15120240407. The next prime is 15120240463. The reversal of 15120240430 is 3404202151.

It is a super-2 number, since 2×15120240430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84291 + ... + 193249.

It is an arithmetic number, because the mean of its divisors is an integer number (1701165240).

Almost surely, 2^15120240430 is an apocalyptic number.

15120240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15120240430 is a deficient number, since it is larger than the sum of its proper divisors (12098403410).

15120240430 is a wasteful number, since it uses less digits than its factorization.

15120240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122843.

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

Adding to 15120240430 its reverse (3404202151), we get a palindrome (18524442581).

The spelling of 15120240430 in words is "fifteen billion, one hundred twenty million, two hundred forty thousand, four hundred thirty".