10399519242 has 384 divisors, whose sum is σ = 30083788800. Its totient is φ = 2525644800.

The previous prime is 10399519217. The next prime is 10399519297. The reversal of 10399519242 is 24291599301.

10399519242 is a `hidden beast` number, since 1 + 0 + 3 + 99 + 519 + 2 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 146472067 + ... + 146472137.

It is an arithmetic number, because the mean of its divisors is an integer number (78343200).

Almost surely, 2^10399519242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10399519242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15041894400).

10399519242 is an abundant number, since it is smaller than the sum of its proper divisors (19684269558).

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

10399519242 is a wasteful number, since it uses less digits than its factorization.

10399519242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 10399519242 in words is "ten billion, three hundred ninety-nine million, five hundred nineteen thousand, two hundred forty-two".