10309264938 has 120 divisors (see below), whose sum is σ = 26185899168. Its totient is φ = 2931069456.

The previous prime is 10309264937. The next prime is 10309264957. The reversal of 10309264938 is 83946290301.

It is a happy number.

It is a super-2 number, since 2×10309264938² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10309264893 and 10309264902.

It is not an unprimeable number, because it can be changed into a prime (10309264937) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11365881 + ... + 11366787.

Almost surely, 2^10309264938 is an apocalyptic number.

10309264938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10309264938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13092949584).

10309264938 is an abundant number, since it is smaller than the sum of its proper divisors (15876634230).

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

10309264938 is an equidigital number, since it uses as much as digits as its factorization.

10309264938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 10309264938 in words is "ten billion, three hundred nine million, two hundred sixty-four thousand, nine hundred thirty-eight".