15040433142 has 24 divisors (see below), whose sum is σ = 37242977616. Its totient is φ = 4297266576.

The previous prime is 15040433131. The next prime is 15040433147. The reversal of 15040433142 is 24133404051.

It is a happy number.

15040433142 is a `hidden beast` number, since 1 + 50 + 40 + 433 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040433147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 59684133 + ... + 59684384.

It is an arithmetic number, because the mean of its divisors is an integer number (1551790734).

Almost surely, 2^15040433142 is an apocalyptic number.

15040433142 is an abundant number, since it is smaller than the sum of its proper divisors (22202544474).

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

15040433142 is a wasteful number, since it uses less digits than its factorization.

15040433142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119368532 (or 119368529 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 15040433142 its reverse (24133404051), we get a palindrome (39173837193).

The spelling of 15040433142 in words is "fifteen billion, forty million, four hundred thirty-three thousand, one hundred forty-two".