15041220140 has 12 divisors (see below), whose sum is σ = 31586562336. Its totient is φ = 6016488048.

The previous prime is 15041220133. The next prime is 15041220197. The reversal of 15041220140 is 4102214051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 752061007 = 15041220140 / (1 + 5 + 0 + 4 + 1 + 2 + 2 + 0 + 1 + 4 + 0).

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, 376030484 + ... + 376030523.

It is an arithmetic number, because the mean of its divisors is an integer number (2632213528).

Almost surely, 2^15041220140 is an apocalyptic number.

15041220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15041220140 is an abundant number, since it is smaller than the sum of its proper divisors (16545342196).

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

15041220140 is a wasteful number, since it uses less digits than its factorization.

15041220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752061016 (or 752061014 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 15041220140 its reverse (4102214051), we get a palindrome (19143434191).

The spelling of 15041220140 in words is "fifteen billion, forty-one million, two hundred twenty thousand, one hundred forty".