40240234203402 has 16 divisors (see below), whose sum is σ = 80723611819872. Its totient is φ = 13372887498960.

The previous prime is 40240234203401. The next prime is 40240234203413. The reversal of 40240234203402 is 20430243204204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240234203402.

It is not an unprimeable number, because it can be changed into a prime (40240234203401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10130973393 + ... + 10130977364.

It is an arithmetic number, because the mean of its divisors is an integer number (5045225738742).

Almost surely, 2^{40240234203402} is an apocalyptic number.

40240234203402 is an abundant number, since it is smaller than the sum of its proper divisors (40483377616470).

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

40240234203402 is a wasteful number, since it uses less digits than its factorization.

40240234203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20261951093.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40240234203402 its reverse (20430243204204), we get a palindrome (60670477407606).

The spelling of 40240234203402 in words is "forty trillion, two hundred forty billion, two hundred thirty-four million, two hundred three thousand, four hundred two".