40900204799 has 4 divisors (see below), whose sum is σ = 41052250440. Its totient is φ = 40748159160.

The previous prime is 40900204777. The next prime is 40900204819. The reversal of 40900204799 is 99740200904.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40900204799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40900204759) 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, 76022417 + ... + 76022954.

It is an arithmetic number, because the mean of its divisors is an integer number (10263062610).

Almost surely, 2^40900204799 is an apocalyptic number.

40900204799 is a deficient number, since it is larger than the sum of its proper divisors (152045641).

40900204799 is a wasteful number, since it uses less digits than its factorization.

40900204799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152045640.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 40900204799 in words is "forty billion, nine hundred million, two hundred four thousand, seven hundred ninety-nine".