10721901744 has 40 divisors (see below), whose sum is σ = 30775830320. Its totient is φ = 3573967104.

The previous prime is 10721901727. The next prime is 10721901763. The reversal of 10721901744 is 44710912701.

It is a super-2 number, since 2×10721901744² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10721901699 and 10721901708.

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, 12409177 + ... + 12410040.

It is an arithmetic number, because the mean of its divisors is an integer number (769395758).

Almost surely, 2^10721901744 is an apocalyptic number.

It is an amenable number.

10721901744 is an abundant number, since it is smaller than the sum of its proper divisors (20053928576).

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

10721901744 is a wasteful number, since it uses less digits than its factorization.

10721901744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24819234 (or 24819222 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 10721901744 in words is "ten billion, seven hundred twenty-one million, nine hundred one thousand, seven hundred forty-four".