40321711898 has 8 divisors (see below), whose sum is σ = 65135073108. Its totient is φ = 18610020864.

The previous prime is 40321711883. The next prime is 40321711921. The reversal of 40321711898 is 89811712304.

It can be written as a sum of positive squares in 2 ways, for example, as 37987179409 + 2334532489 = 194903^2 + 48317^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775417511 + ... + 775417562.

Almost surely, 2^40321711898 is an apocalyptic number.

40321711898 is a deficient number, since it is larger than the sum of its proper divisors (24813361210).

40321711898 is a wasteful number, since it uses less digits than its factorization.

40321711898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550835088.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 40321711898 in words is "forty billion, three hundred twenty-one million, seven hundred eleven thousand, eight hundred ninety-eight".