40041858386 has 8 divisors (see below), whose sum is σ = 61196047884. Its totient is φ = 19643175760.

The previous prime is 40041858347. The next prime is 40041858401. The reversal of 40041858386 is 68385814004.

It can be written as a sum of positive squares in 2 ways, for example, as 37428706225 + 2613152161 = 193465^2 + 51119^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 40041858386.

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, 188876585 + ... + 188876796.

Almost surely, 2^40041858386 is an apocalyptic number.

40041858386 is a deficient number, since it is larger than the sum of its proper divisors (21154189498).

40041858386 is a wasteful number, since it uses less digits than its factorization.

40041858386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377753436.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 40041858386 in words is "forty billion, forty-one million, eight hundred fifty-eight thousand, three hundred eighty-six".