15420230044 has 24 divisors (see below), whose sum is σ = 27364560048. Its totient is φ = 7601857920.

The previous prime is 15420230027. The next prime is 15420230051. The reversal of 15420230044 is 44003202451.

It is a happy number.

15420230044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038279 + ... + 1053025.

It is an arithmetic number, because the mean of its divisors is an integer number (1140190002).

Almost surely, 2^15420230044 is an apocalyptic number.

It is an amenable number.

15420230044 is a deficient number, since it is larger than the sum of its proper divisors (11944330004).

15420230044 is a wasteful number, since it uses less digits than its factorization.

15420230044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405 (or 18403 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 15420230044 its reverse (44003202451), we get a palindrome (59423432495).

The spelling of 15420230044 in words is "fifteen billion, four hundred twenty million, two hundred thirty thousand, forty-four".