10402444512 has 72 divisors (see below), whose sum is σ = 29887000416. Its totient is φ = 3431725056.

The previous prime is 10402444499. The next prime is 10402444541. The reversal of 10402444512 is 21544420401.

10402444512 is a `hidden beast` number, since 104 + 0 + 2 + 4 + 44 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 158248 + ... + 214119.

It is an arithmetic number, because the mean of its divisors is an integer number (415097228).

Almost surely, 2^10402444512 is an apocalyptic number.

10402444512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10402444512 is an abundant number, since it is smaller than the sum of its proper divisors (19484555904).

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

10402444512 is a wasteful number, since it uses less digits than its factorization.

10402444512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372480 (or 372469 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 10402444512 its reverse (21544420401), we get a palindrome (31946864913).

The spelling of 10402444512 in words is "ten billion, four hundred two million, four hundred forty-four thousand, five hundred twelve".