40142251743 has 8 divisors (see below), whose sum is σ = 58388729856. Its totient is φ = 24328637400.

The previous prime is 40142251703. The next prime is 40142251763. The reversal of 40142251743 is 34715224104.

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

It is not a de Polignac number, because 40142251743 - 2²⁶ = 40075142879 is a prime.

It is a super-2 number, since 2×40142251743² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1216431871 = 40142251743 / (4 + 0 + 1 + 4 + 2 + 2 + 5 + 1 + 7 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142251703) 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, 608215903 + ... + 608215968.

It is an arithmetic number, because the mean of its divisors is an integer number (7298591232).

Almost surely, 2^40142251743 is an apocalyptic number.

40142251743 is a deficient number, since it is larger than the sum of its proper divisors (18246478113).

40142251743 is a wasteful number, since it uses less digits than its factorization.

40142251743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216431885.

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 40142251743 its reverse (34715224104), we get a palindrome (74857475847).

The spelling of 40142251743 in words is "forty billion, one hundred forty-two million, two hundred fifty-one thousand, seven hundred forty-three".