15420101344 has 48 divisors (see below), whose sum is σ = 32066496000. Its totient is φ = 7287799680.

The previous prime is 15420101341. The next prime is 15420101369. The reversal of 15420101344 is 44310102451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420101341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138094 + ... + 223405.

It is an arithmetic number, because the mean of its divisors is an integer number (668052000).

Almost surely, 2^15420101344 is an apocalyptic number.

It is an amenable number.

15420101344 is an abundant number, since it is smaller than the sum of its proper divisors (16646394656).

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

15420101344 is a wasteful number, since it uses less digits than its factorization.

15420101344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361583 (or 361575 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15420101344 its reverse (44310102451), we get a palindrome (59730203795).

The spelling of 15420101344 in words is "fifteen billion, four hundred twenty million, one hundred one thousand, three hundred forty-four".