10640401 has 8 divisors (see below), whose sum is σ = 10808640. Its totient is φ = 10473648.

The previous prime is 10640387. The next prime is 10640429. The reversal of 10640401 is 10404601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10640401 - 2⁵ = 10640369 is a prime.

It is a super-2 number, since 2×10640401² = 226436266881602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29460 + ... + 29818.

It is an arithmetic number, because the mean of its divisors is an integer number (1351080).

Almost surely, 2^10640401 is an apocalyptic number.

It is an amenable number.

10640401 is a deficient number, since it is larger than the sum of its proper divisors (168239).

10640401 is a wasteful number, since it uses less digits than its factorization.

10640401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10640401 is about 3261.9627526997. The cubic root of 10640401 is about 219.9476528347.

The spelling of 10640401 in words is "ten million, six hundred forty thousand, four hundred one".