40034223400 has 24 divisors (see below), whose sum is σ = 93079569870. Its totient is φ = 16013689280.

The previous prime is 40034223379. The next prime is 40034223401. The reversal of 40034223400 is 432243004.

It can be written as a sum of positive squares in 3 ways, for example, as 22483802916 + 17550420484 = 149946^2 + 132478^2 .

It is a super-2 number, since 2×40034223400² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40034223401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100085359 + ... + 100085758.

Almost surely, 2^40034223400 is an apocalyptic number.

40034223400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40034223400 is an abundant number, since it is smaller than the sum of its proper divisors (53045346470).

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

40034223400 is a wasteful number, since it uses less digits than its factorization.

40034223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200171133 (or 200171124 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40034223400 its reverse (432243004), we get a palindrome (40466466404).

The spelling of 40034223400 in words is "forty billion, thirty-four million, two hundred twenty-three thousand, four hundred".