40143140344434 has 8 divisors (see below), whose sum is σ = 80286280688880. Its totient is φ = 13381046781476.

The previous prime is 40143140344387. The next prime is 40143140344499. The reversal of 40143140344434 is 43444304134104.

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

40143140344434 is an admirable number.

It is a super-2 number, since 2×40143140344434² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40143140344392 and 40143140344401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345261695364 + ... + 3345261695375.

It is an arithmetic number, because the mean of its divisors is an integer number (10035785086110).

Almost surely, 2^{40143140344434} is an apocalyptic number.

40143140344434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40143140344434 is a wasteful number, since it uses less digits than its factorization.

40143140344434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690523390744.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 40143140344434 its reverse (43444304134104), we get a palindrome (83587444478538).

The spelling of 40143140344434 in words is "forty trillion, one hundred forty-three billion, one hundred forty million, three hundred forty-four thousand, four hundred thirty-four".