40042401003 has 32 divisors (see below), whose sum is σ = 65287745280. Its totient is φ = 24053339520.

The previous prime is 40042400971. The next prime is 40042401019. The reversal of 40042401003 is 30010424004.

It is not a de Polignac number, because 40042401003 - 2⁵ = 40042400971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40042401073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563001 + ... + 630122.

It is an arithmetic number, because the mean of its divisors is an integer number (2040242040).

Almost surely, 2^40042401003 is an apocalyptic number.

40042401003 is a deficient number, since it is larger than the sum of its proper divisors (25245344277).

40042401003 is a wasteful number, since it uses less digits than its factorization.

40042401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193256 (or 1193250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40042401003 its reverse (30010424004), we get a palindrome (70052825007).

The spelling of 40042401003 in words is "forty billion, forty-two million, four hundred one thousand, three".