10142444403 has 80 divisors (see below), whose sum is σ = 19151957440. Its totient is φ = 5205129984.

The previous prime is 10142444353. The next prime is 10142444407. The reversal of 10142444403 is 30444424101.

10142444403 is a `hidden beast` number, since 1 + 0 + 14 + 244 + 4 + 403 = 666.

It is not a de Polignac number, because 10142444403 - 2⁶ = 10142444339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10142444407) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 254133 + ... + 291321.

It is an arithmetic number, because the mean of its divisors is an integer number (239399468).

Almost surely, 2^10142444403 is an apocalyptic number.

10142444403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10142444403 is a deficient number, since it is larger than the sum of its proper divisors (9009513037).

10142444403 is a wasteful number, since it uses less digits than its factorization.

10142444403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37258 (or 37249 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10142444403 its reverse (30444424101), we get a palindrome (40586868504).

The spelling of 10142444403 in words is "ten billion, one hundred forty-two million, four hundred forty-four thousand, four hundred three".