10444020431 has 24 divisors (see below), whose sum is σ = 11963259504. Its totient is φ = 9061908480.

The previous prime is 10444020427. The next prime is 10444020467. The reversal of 10444020431 is 13402044401.

It is a happy number.

It is not a de Polignac number, because 10444020431 - 2² = 10444020427 is a prime.

It is a super-2 number, since 2×10444020431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10444020397 and 10444020406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10444020421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4330616 + ... + 4333026.

It is an arithmetic number, because the mean of its divisors is an integer number (498469146).

Almost surely, 2^10444020431 is an apocalyptic number.

10444020431 is a deficient number, since it is larger than the sum of its proper divisors (1519239073).

10444020431 is a wasteful number, since it uses less digits than its factorization.

10444020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10444020431 its reverse (13402044401), we get a palindrome (23846064832).

The spelling of 10444020431 in words is "ten billion, four hundred forty-four million, twenty thousand, four hundred thirty-one".