40002140305 has 8 divisors (see below), whose sum is σ = 48005505792. Its totient is φ = 31999753968.

The previous prime is 40002140287. The next prime is 40002140323. The reversal of 40002140305 is 50304120004.

It is an interprime number because it is at equal distance from previous prime (40002140287) and next prime (40002140323).

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 40002140305 - 2⁷ = 40002140177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151687 + ... + 320956.

It is an arithmetic number, because the mean of its divisors is an integer number (6000688224).

Almost surely, 2^40002140305 is an apocalyptic number.

It is an amenable number.

40002140305 is a deficient number, since it is larger than the sum of its proper divisors (8003365487).

40002140305 is a wasteful number, since it uses less digits than its factorization.

40002140305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489575.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 40002140305 its reverse (50304120004), we get a palindrome (90306260309).

The spelling of 40002140305 in words is "forty billion, two million, one hundred forty thousand, three hundred five".