40604636499 has 48 divisors (see below), whose sum is σ = 63281622528. Its totient is φ = 23091360768.

The previous prime is 40604636477. The next prime is 40604636507. The reversal of 40604636499 is 99463640604.

40604636499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40604636499 - 2⁸ = 40604636243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40604636099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41306362 + ... + 41307344.

It is an arithmetic number, because the mean of its divisors is an integer number (1318367136).

Almost surely, 2^40604636499 is an apocalyptic number.

40604636499 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40604636499 is a deficient number, since it is larger than the sum of its proper divisors (22676986029).

40604636499 is a wasteful number, since it uses less digits than its factorization.

40604636499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 40604636499 in words is "forty billion, six hundred four million, six hundred thirty-six thousand, four hundred ninety-nine".