40304393578 has 8 divisors (see below), whose sum is σ = 60459524100. Its totient is φ = 20151218880.

The previous prime is 40304393527. The next prime is 40304393629. The reversal of 40304393578 is 87539340304.

It is an interprime number because it is at equal distance from previous prime (40304393527) and next prime (40304393629).

It can be written as a sum of positive squares in 2 ways, for example, as 31874032089 + 8430361489 = 178533^2 + 91817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436303 + ... + 520546.

Almost surely, 2^40304393578 is an apocalyptic number.

40304393578 is a deficient number, since it is larger than the sum of its proper divisors (20155130522).

40304393578 is a wasteful number, since it uses less digits than its factorization.

40304393578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977912.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 40304393578 in words is "forty billion, three hundred four million, three hundred ninety-three thousand, five hundred seventy-eight".