10238436340 has 144 divisors (see below), whose sum is σ = 24583184640. Its totient is φ = 3551558400.

The previous prime is 10238436323. The next prime is 10238436367. The reversal of 10238436340 is 4363483201.

It is a junction number, because it is equal to n+sod(n) for n = 10238436296 and 10238436305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16701874 + ... + 16702486.

It is an arithmetic number, because the mean of its divisors is an integer number (170716560).

Almost surely, 2^10238436340 is an apocalyptic number.

10238436340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10238436340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12291592320).

10238436340 is an abundant number, since it is smaller than the sum of its proper divisors (14344748300).

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

10238436340 is a wasteful number, since it uses less digits than its factorization.

10238436340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 10238436340 in words is "ten billion, two hundred thirty-eight million, four hundred thirty-six thousand, three hundred forty".