40388460347 has 4 divisors (see below), whose sum is σ = 40991273256. Its totient is φ = 39785647440.

The previous prime is 40388460331. The next prime is 40388460383. The reversal of 40388460347 is 74306488304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40388460347 - 2⁴ = 40388460331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40388460397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301406354 + ... + 301406487.

It is an arithmetic number, because the mean of its divisors is an integer number (10247818314).

Almost surely, 2^40388460347 is an apocalyptic number.

40388460347 is a deficient number, since it is larger than the sum of its proper divisors (602812909).

40388460347 is an equidigital number, since it uses as much as digits as its factorization.

40388460347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602812908.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 40388460347 in words is "forty billion, three hundred eighty-eight million, four hundred sixty thousand, three hundred forty-seven".