15042550442 has 16 divisors (see below), whose sum is σ = 22632580320. Its totient is φ = 7498392912.

The previous prime is 15042550417. The next prime is 15042550463. The reversal of 15042550442 is 24405524051.

It is a super-2 number, since 2×15042550442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15042550399 and 15042550408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897713 + ... + 914315.

It is an arithmetic number, because the mean of its divisors is an integer number (1414536270).

Almost surely, 2^15042550442 is an apocalyptic number.

15042550442 is a deficient number, since it is larger than the sum of its proper divisors (7590029878).

15042550442 is a wasteful number, since it uses less digits than its factorization.

15042550442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17957.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 15042550442 in words is "fifteen billion, forty-two million, five hundred fifty thousand, four hundred forty-two".