10440042020433 has 64 divisors (see below), whose sum is σ = 16552811520000. Its totient is φ = 6480400453632.

The previous prime is 10440042020411. The next prime is 10440042020459. The reversal of 10440042020433 is 33402024004401.

It is a happy number.

10440042020433 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 0 + 0 + 420 + 204 + 33 = 666.

It is not a de Polignac number, because 10440042020433 - 2³⁷ = 10302603066961 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 10440042020397 and 10440042020406.

It is not an unprimeable number, because it can be changed into a prime (10440042020533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20087673 + ... + 20600841.

It is an arithmetic number, because the mean of its divisors is an integer number (258637680000).

Almost surely, 2^{10440042020433} is an apocalyptic number.

It is an amenable number.

10440042020433 is a deficient number, since it is larger than the sum of its proper divisors (6112769499567).

10440042020433 is a wasteful number, since it uses less digits than its factorization.

10440042020433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513671 (or 513665 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 10440042020433 its reverse (33402024004401), we get a palindrome (43842066024834).

The spelling of 10440042020433 in words is "ten trillion, four hundred forty billion, forty-two million, twenty thousand, four hundred thirty-three".