40312143404 has 24 divisors (see below), whose sum is σ = 76571109888. Its totient is φ = 18459100800.

The previous prime is 40312143341. The next prime is 40312143409. The reversal of 40312143404 is 40434121304.

40312143404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40312143409) 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, 3045497 + ... + 3058704.

It is an arithmetic number, because the mean of its divisors is an integer number (3190462912).

Almost surely, 2^40312143404 is an apocalyptic number.

It is an amenable number.

40312143404 is a deficient number, since it is larger than the sum of its proper divisors (36258966484).

40312143404 is a wasteful number, since it uses less digits than its factorization.

40312143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104345 (or 6104343 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40312143404 its reverse (40434121304), we get a palindrome (80746264708).

The spelling of 40312143404 in words is "forty billion, three hundred twelve million, one hundred forty-three thousand, four hundred four".