40020113234 has 16 divisors (see below), whose sum is σ = 61748861976. Its totient is φ = 19438848000.

The previous prime is 40020113233. The next prime is 40020113249. The reversal of 40020113234 is 43231102004.

It can be written as a sum of positive squares in 4 ways, for example, as 35987228209 + 4032885025 = 189703^2 + 63505^2 .

It is not an unprimeable number, because it can be changed into a prime (40020113233) 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 7 ways as a sum of consecutive naturals, for example, 374417 + ... + 469284.

Almost surely, 2^40020113234 is an apocalyptic number.

40020113234 is a deficient number, since it is larger than the sum of its proper divisors (21728748742).

40020113234 is a wasteful number, since it uses less digits than its factorization.

40020113234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844381.

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

Adding to 40020113234 its reverse (43231102004), we get a palindrome (83251215238).

The spelling of 40020113234 in words is "forty billion, twenty million, one hundred thirteen thousand, two hundred thirty-four".