40234131400402 has 8 divisors (see below), whose sum is σ = 60359255768700. Its totient is φ = 20114379477504.

The previous prime is 40234131400327. The next prime is 40234131400409. The reversal of 40234131400402 is 20400413143204.

40234131400402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36521607842721 + 3712523557681 = 6043311^2 + 1926791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40234131400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343092627 + ... + 1343122582.

Almost surely, 2^{40234131400402} is an apocalyptic number.

40234131400402 is a deficient number, since it is larger than the sum of its proper divisors (20125124368298).

40234131400402 is a wasteful number, since it uses less digits than its factorization.

40234131400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686222700.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40234131400402 its reverse (20400413143204), we get a palindrome (60634544543606).

The spelling of 40234131400402 in words is "forty trillion, two hundred thirty-four billion, one hundred thirty-one million, four hundred thousand, four hundred two".