40140234402 has 16 divisors (see below), whose sum is σ = 80410590432. Its totient is φ = 13358391200.

The previous prime is 40140234397. The next prime is 40140234443. The reversal of 40140234402 is 20443204104.

It is a happy number.

It is a super-2 number, since 2×40140234402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 5417724 + ... + 5425127.

It is an arithmetic number, because the mean of its divisors is an integer number (5025661902).

Almost surely, 2^40140234402 is an apocalyptic number.

40140234402 is an abundant number, since it is smaller than the sum of its proper divisors (40270356030).

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

40140234402 is a wasteful number, since it uses less digits than its factorization.

40140234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843473.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40140234402 its reverse (20443204104), we get a palindrome (60583438506).

The spelling of 40140234402 in words is "forty billion, one hundred forty million, two hundred thirty-four thousand, four hundred two".