40401431003 has 16 divisors (see below), whose sum is σ = 42163027200. Its totient is φ = 38686533600.

The previous prime is 40401430987. The next prime is 40401431023. The reversal of 40401431003 is 30013410404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40401431003 - 2⁴ = 40401430987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40401431023) 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 15 ways as a sum of consecutive naturals, for example, 388178 + ... + 481128.

It is an arithmetic number, because the mean of its divisors is an integer number (2635189200).

Almost surely, 2^40401431003 is an apocalyptic number.

40401431003 is a deficient number, since it is larger than the sum of its proper divisors (1761596197).

40401431003 is a wasteful number, since it uses less digits than its factorization.

40401431003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93202.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40401431003 its reverse (30013410404), we get a palindrome (70414841407).

The spelling of 40401431003 in words is "forty billion, four hundred one million, four hundred thirty-one thousand, three".