10721400352 has 24 divisors (see below), whose sum is σ = 22731431436. Its totient is φ = 4948338432.

The previous prime is 10721400323. The next prime is 10721400433. The reversal of 10721400352 is 25300412701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10534148496 + 187251856 = 102636^2 + 13684^2 .

It is a super-2 number, since 2×10721400352² (a number of 21 digits) contains 22 as substring.

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, 12885883 + ... + 12886714.

Almost surely, 2^10721400352 is an apocalyptic number.

It is an amenable number.

10721400352 is an abundant number, since it is smaller than the sum of its proper divisors (12010031084).

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

10721400352 is a wasteful number, since it uses less digits than its factorization.

10721400352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25772620 (or 25772612 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 10721400352 in words is "ten billion, seven hundred twenty-one million, four hundred thousand, three hundred fifty-two".