10525840407 has 20 divisors (see below), whose sum is σ = 15793081656. Its totient is φ = 6986301840.

The previous prime is 10525840399. The next prime is 10525840433. The reversal of 10525840407 is 70404852501.

10525840407 is a `hidden beast` number, since 10 + 525 + 84 + 0 + 40 + 7 = 666.

10525840407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10525840407 - 2³ = 10525840399 is a prime.

It is a super-2 number, since 2×10525840407² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10525800407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 267844 + ... + 304617.

Almost surely, 2^10525840407 is an apocalyptic number.

10525840407 is a deficient number, since it is larger than the sum of its proper divisors (5267241249).

10525840407 is an equidigital number, since it uses as much as digits as its factorization.

10525840407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572700 (or 572691 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 10525840407 in words is "ten billion, five hundred twenty-five million, eight hundred forty thousand, four hundred seven".