40234012203 has 32 divisors (see below), whose sum is σ = 66902556672. Its totient is φ = 20894522400.

The previous prime is 40234012111. The next prime is 40234012223. The reversal of 40234012203 is 30221043204.

It is not a de Polignac number, because 40234012203 - 2¹⁷ = 40233881131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40234012203.

It is not an unprimeable number, because it can be changed into a prime (40234012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803368 + ... + 851978.

It is an arithmetic number, because the mean of its divisors is an integer number (2090704896).

Almost surely, 2^40234012203 is an apocalyptic number.

40234012203 is a deficient number, since it is larger than the sum of its proper divisors (26668544469).

40234012203 is a wasteful number, since it uses less digits than its factorization.

40234012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52215.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40234012203 its reverse (30221043204), we get a palindrome (70455055407).

The spelling of 40234012203 in words is "forty billion, two hundred thirty-four million, twelve thousand, two hundred three".