40305442351 has 8 divisors (see below), whose sum is σ = 42292817280. Its totient is φ = 38337647832.

The previous prime is 40305442343. The next prime is 40305442363. The reversal of 40305442351 is 15324450304.

40305442351 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 40305442351 - 2³ = 40305442343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305442301) 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, 4890885 + ... + 4899118.

It is an arithmetic number, because the mean of its divisors is an integer number (5286602160).

Almost surely, 2^40305442351 is an apocalyptic number.

40305442351 is a deficient number, since it is larger than the sum of its proper divisors (1987374929).

40305442351 is a wasteful number, since it uses less digits than its factorization.

40305442351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790205.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40305442351 its reverse (15324450304), we get a palindrome (55629892655).

The spelling of 40305442351 in words is "forty billion, three hundred five million, four hundred forty-two thousand, three hundred fifty-one".