10402403044 has 48 divisors (see below), whose sum is σ = 20249611200. Its totient is φ = 4635824000.

The previous prime is 10402403009. The next prime is 10402403047. The reversal of 10402403044 is 44030420401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (10402403047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004694 + ... + 1014994.

It is an arithmetic number, because the mean of its divisors is an integer number (421866900).

Almost surely, 2^10402403044 is an apocalyptic number.

It is an amenable number.

10402403044 is a deficient number, since it is larger than the sum of its proper divisors (9847208156).

10402403044 is a wasteful number, since it uses less digits than its factorization.

10402403044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764 (or 10762 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10402403044 its reverse (44030420401), we get a palindrome (54432823445).

The spelling of 10402403044 in words is "ten billion, four hundred two million, four hundred three thousand, forty-four".