10640254 has 8 divisors (see below), whose sum is σ = 16475328. Its totient is φ = 5148480.

The previous prime is 10640251. The next prime is 10640257. The reversal of 10640254 is 45204601.

It is an interprime number because it is at equal distance from previous prime (10640251) and next prime (10640257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10640254² = 226430010369032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85747 + ... + 85870.

It is an arithmetic number, because the mean of its divisors is an integer number (2059416).

Almost surely, 2^10640254 is an apocalyptic number.

10640254 is a deficient number, since it is larger than the sum of its proper divisors (5835074).

10640254 is a wasteful number, since it uses less digits than its factorization.

10640254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171650.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 10640254 is about 3261.9402201757. The cubic root of 10640254 is about 219.9466399514.

Adding to 10640254 its reverse (45204601), we get a palindrome (55844855).

The spelling of 10640254 in words is "ten million, six hundred forty thousand, two hundred fifty-four".