15480042 has 16 divisors (see below), whose sum is σ = 31715712. Its totient is φ = 5034080.

The previous prime is 15480029. The next prime is 15480053. The reversal of 15480042 is 24008451.

It is a junction number, because it is equal to n+sod(n) for n = 15479994 and 15480021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31218 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (1982232).

Almost surely, 2^15480042 is an apocalyptic number.

15480042 is an abundant number, since it is smaller than the sum of its proper divisors (16235670).

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

15480042 is a wasteful number, since it uses less digits than its factorization.

15480042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62973.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 15480042 is about 3934.4684520275. The cubic root of 15480042 is about 249.2244874755.

Adding to 15480042 its reverse (24008451), we get a palindrome (39488493).

The spelling of 15480042 in words is "fifteen million, four hundred eighty thousand, forty-two".