15361064442 has 24 divisors (see below), whose sum is σ = 35240089716. Its totient is φ = 4819157376.

The previous prime is 15361064437. The next prime is 15361064497. The reversal of 15361064442 is 24446016351.

15361064442 is a `hidden beast` number, since 1 + 5 + 3 + 6 + 1 + 0 + 644 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15082541721 + 278522721 = 122811^2 + 16689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15361064397 and 15361064406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25099473 + ... + 25100084.

Almost surely, 2^15361064442 is an apocalyptic number.

15361064442 is an abundant number, since it is smaller than the sum of its proper divisors (19879025274).

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

15361064442 is a wasteful number, since it uses less digits than its factorization.

15361064442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50199582 (or 50199579 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 15361064442 in words is "fifteen billion, three hundred sixty-one million, sixty-four thousand, four hundred forty-two".