40208801799 has 4 divisors (see below), whose sum is σ = 53611735736. Its totient is φ = 26805867864.

The previous prime is 40208801783. The next prime is 40208801833. The reversal of 40208801799 is 99710880204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40208801799 - 2⁴ = 40208801783 is a prime.

It is a super-2 number, since 2×40208801799² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208801729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6701466964 + ... + 6701466969.

It is an arithmetic number, because the mean of its divisors is an integer number (13402933934).

Almost surely, 2^40208801799 is an apocalyptic number.

40208801799 is a deficient number, since it is larger than the sum of its proper divisors (13402933937).

40208801799 is a wasteful number, since it uses less digits than its factorization.

40208801799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13402933936.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 40208801799 in words is "forty billion, two hundred eight million, eight hundred one thousand, seven hundred ninety-nine".