40304031234 has 16 divisors (see below), whose sum is σ = 80614695072. Its totient is φ = 13433571648.

The previous prime is 40304031211. The next prime is 40304031277. The reversal of 40304031234 is 43213040304.

It is a super-2 number, since 2×40304031234² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195544 + ... + 344739.

It is an arithmetic number, because the mean of its divisors is an integer number (5038418442).

Almost surely, 2^40304031234 is an apocalyptic number.

40304031234 is an abundant number, since it is smaller than the sum of its proper divisors (40310663838).

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

40304031234 is a wasteful number, since it uses less digits than its factorization.

40304031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552721.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40304031234 its reverse (43213040304), we get a palindrome (83517071538).

The spelling of 40304031234 in words is "forty billion, three hundred four million, thirty-one thousand, two hundred thirty-four".