40362621999 has 8 divisors (see below), whose sum is σ = 61504947840. Its totient is φ = 23064355416.

The previous prime is 40362621989. The next prime is 40362622019. The reversal of 40362621999 is 99912626304.

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

It is not a de Polignac number, because 40362621999 - 2⁹ = 40362621487 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40362621989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961014789 + ... + 961014830.

It is an arithmetic number, because the mean of its divisors is an integer number (7688118480).

Almost surely, 2^40362621999 is an apocalyptic number.

40362621999 is a deficient number, since it is larger than the sum of its proper divisors (21142325841).

40362621999 is a wasteful number, since it uses less digits than its factorization.

40362621999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922029629.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 40362621999 in words is "forty billion, three hundred sixty-two million, six hundred twenty-one thousand, nine hundred ninety-nine".