40023203034 has 16 divisors (see below), whose sum is σ = 80173270080. Its totient is φ = 13319923680.

The previous prime is 40023203029. The next prime is 40023203057. The reversal of 40023203034 is 43030232004.

It is a super-2 number, since 2×40023203034² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40023203034.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5281899 + ... + 5289470.

It is an arithmetic number, because the mean of its divisors is an integer number (5010829380).

Almost surely, 2^40023203034 is an apocalyptic number.

40023203034 is an abundant number, since it is smaller than the sum of its proper divisors (40150067046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40023203034 is a wasteful number, since it uses less digits than its factorization.

40023203034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572005.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 40023203034 its reverse (43030232004), we get a palindrome (83053435038).

The spelling of 40023203034 in words is "forty billion, twenty-three million, two hundred three thousand, thirty-four".