40400157143 has 8 divisors (see below), whose sum is σ = 42922814880. Its totient is φ = 37952802720.

The previous prime is 40400157139. The next prime is 40400157151. The reversal of 40400157143 is 34175100404.

It is a happy number.

40400157143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40400157143 - 2² = 40400157139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400159143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18824723 + ... + 18826868.

It is an arithmetic number, because the mean of its divisors is an integer number (5365351860).

Almost surely, 2^40400157143 is an apocalyptic number.

40400157143 is a deficient number, since it is larger than the sum of its proper divisors (2522657737).

40400157143 is a wasteful number, since it uses less digits than its factorization.

40400157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37651657.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 40400157143 its reverse (34175100404), we get a palindrome (74575257547).

The spelling of 40400157143 in words is "forty billion, four hundred million, one hundred fifty-seven thousand, one hundred forty-three".