15634364442 has 16 divisors (see below), whose sum is σ = 32031381312. Its totient is φ = 5084346080.

The previous prime is 15634364407. The next prime is 15634364479. The reversal of 15634364442 is 24446343651.

15634364442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15634364394 and 15634364403.

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, 31776918 + ... + 31777409.

It is an arithmetic number, because the mean of its divisors is an integer number (2001961332).

Almost surely, 2^15634364442 is an apocalyptic number.

15634364442 is an abundant number, since it is smaller than the sum of its proper divisors (16397016870).

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

15634364442 is a wasteful number, since it uses less digits than its factorization.

15634364442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63554373.

The product of its digits is 829440, while the sum is 42.

The spelling of 15634364442 in words is "fifteen billion, six hundred thirty-four million, three hundred sixty-four thousand, four hundred forty-two".