10239440736 has 48 divisors (see below), whose sum is σ = 30718324224. Its totient is φ = 2925554304.

The previous prime is 10239440681. The next prime is 10239440749. The reversal of 10239440736 is 63704493201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10239440736² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10239440694 and 10239440703.

It is a congruent number.

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, 7617960 + ... + 7619303.

It is an arithmetic number, because the mean of its divisors is an integer number (639965088).

Almost surely, 2^10239440736 is an apocalyptic number.

10239440736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10239440736 is an abundant number, since it is smaller than the sum of its proper divisors (20478883488).

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

10239440736 is a wasteful number, since it uses less digits than its factorization.

10239440736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237283 (or 15237275 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 10239440736 in words is "ten billion, two hundred thirty-nine million, four hundred forty thousand, seven hundred thirty-six".