15342044464420 has 24 divisors (see below), whose sum is σ = 32220423301248. Its totient is φ = 6136412085600.

The previous prime is 15342044464403. The next prime is 15342044464421. The reversal of 15342044464420 is 2446444024351.

It is not an unprimeable number, because it can be changed into a prime (15342044464421) 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 7 ways as a sum of consecutive naturals, for example, 25046076 + ... + 25651315.

It is an arithmetic number, because the mean of its divisors is an integer number (1342517637552).

Almost surely, 2^{15342044464420} is an apocalyptic number.

15342044464420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15342044464420 is an abundant number, since it is smaller than the sum of its proper divisors (16878378836828).

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

15342044464420 is a wasteful number, since it uses less digits than its factorization.

15342044464420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50712531 (or 50712529 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 43.

Adding to 15342044464420 its reverse (2446444024351), we get a palindrome (17788488488771).

The spelling of 15342044464420 in words is "fifteen trillion, three hundred forty-two billion, forty-four million, four hundred sixty-four thousand, four hundred twenty".