10225529640 has 64 divisors (see below), whose sum is σ = 34085102400. Its totient is φ = 2726807616.

The previous prime is 10225529623. The next prime is 10225529641. The reversal of 10225529640 is 4692552201.

10225529640 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 5 + 5 + 2 + 9 + 640 = 666.

It is a super-2 number, since 2×10225529640² (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 = 10225529595 and 10225529604.

It is not an unprimeable number, because it can be changed into a prime (10225529641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4732962 + ... + 4735121.

It is an arithmetic number, because the mean of its divisors is an integer number (532579725).

Almost surely, 2^10225529640 is an apocalyptic number.

10225529640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10225529640 is an abundant number, since it is smaller than the sum of its proper divisors (23859572760).

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

10225529640 is a wasteful number, since it uses less digits than its factorization.

10225529640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468103 (or 9468093 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 10225529640 in words is "ten billion, two hundred twenty-five million, five hundred twenty-nine thousand, six hundred forty".