10315533940 has 12 divisors (see below), whose sum is σ = 21662621316. Its totient is φ = 4126213568.

The previous prime is 10315533937. The next prime is 10315533959. The reversal of 10315533940 is 4933551301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6798332304 + 3517201636 = 82452^2 + 59306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10315533896 and 10315533905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257888329 + ... + 257888368.

It is an arithmetic number, because the mean of its divisors is an integer number (1805218443).

Almost surely, 2^10315533940 is an apocalyptic number.

10315533940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10315533940 is an abundant number, since it is smaller than the sum of its proper divisors (11347087376).

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

10315533940 is a wasteful number, since it uses less digits than its factorization.

10315533940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515776706 (or 515776704 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 10315533940 in words is "ten billion, three hundred fifteen million, five hundred thirty-three thousand, nine hundred forty".