10645440632401 has 8 divisors (see below), whose sum is σ = 11218268908224. Its totient is φ = 10081777609200.

The previous prime is 10645440632399. The next prime is 10645440632417. The reversal of 10645440632401 is 10423604454601.

It is a happy number.

10645440632401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10645440632401 - 2¹ = 10645440632399 is a prime.

It is a super-2 number, since 2×10645440632401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645440632461) 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, 2291310771 + ... + 2291315416.

It is an arithmetic number, because the mean of its divisors is an integer number (1402283613528).

Almost surely, 2^{10645440632401} is an apocalyptic number.

It is an amenable number.

10645440632401 is a deficient number, since it is larger than the sum of its proper divisors (572828275823).

10645440632401 is a wasteful number, since it uses less digits than its factorization.

10645440632401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582626311.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 10645440632401 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred thirty-two thousand, four hundred one".