10505540432 has 20 divisors (see below), whose sum is σ = 20738533140. Its totient is φ = 5153660928.

The previous prime is 10505540393. The next prime is 10505540453. The reversal of 10505540432 is 23404550501.

It can be written as a sum of positive squares in 2 ways, for example, as 8347380496 + 2158159936 = 91364^2 + 46456^2 .

It is a super-2 number, since 2×10505540432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10505540395 and 10505540404.

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, 6193457 + ... + 6195152.

It is an arithmetic number, because the mean of its divisors is an integer number (1036926657).

Almost surely, 2^10505540432 is an apocalyptic number.

It is an amenable number.

10505540432 is a deficient number, since it is larger than the sum of its proper divisors (10232992708).

10505540432 is a wasteful number, since it uses less digits than its factorization.

10505540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388670 (or 12388664 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 10505540432 in words is "ten billion, five hundred five million, five hundred forty thousand, four hundred thirty-two".