40242401343 has 16 divisors (see below), whose sum is σ = 63125336160. Its totient is φ = 25250133888.

The previous prime is 40242401273. The next prime is 40242401351. The reversal of 40242401343 is 34310424204.

It is a happy number.

40242401343 is a `hidden beast` number, since 40 + 242 + 40 + 1 + 343 = 666.

40242401343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40242401343 - 2⁹ = 40242400831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242403343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43836580 + ... + 43837497.

It is an arithmetic number, because the mean of its divisors is an integer number (3945333510).

Almost surely, 2^40242401343 is an apocalyptic number.

40242401343 is a deficient number, since it is larger than the sum of its proper divisors (22882934817).

40242401343 is a wasteful number, since it uses less digits than its factorization.

40242401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87674103 (or 87674097 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40242401343 its reverse (34310424204), we get a palindrome (74552825547).

The spelling of 40242401343 in words is "forty billion, two hundred forty-two million, four hundred one thousand, three hundred forty-three".