10040123444 has 24 divisors (see below), whose sum is σ = 18988660320. Its totient is φ = 4617522144.

The previous prime is 10040123413. The next prime is 10040123447. The reversal of 10040123444 is 44432104001.

It is a happy number.

It is a super-2 number, since 2×10040123444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040123447) 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, 326414 + ... + 355845.

It is an arithmetic number, because the mean of its divisors is an integer number (791194180).

Almost surely, 2^10040123444 is an apocalyptic number.

It is an amenable number.

10040123444 is a deficient number, since it is larger than the sum of its proper divisors (8948536876).

10040123444 is a wasteful number, since it uses less digits than its factorization.

10040123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682559 (or 682557 counting only the distinct ones).

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

Adding to 10040123444 its reverse (44432104001), we get a palindrome (54472227445).

The spelling of 10040123444 in words is "ten billion, forty million, one hundred twenty-three thousand, four hundred forty-four".