40208868802 has 8 divisors (see below), whose sum is σ = 60316281612. Its totient is φ = 20103441600.

The previous prime is 40208868781. The next prime is 40208868829. The reversal of 40208868802 is 20886880204.

It can be written as a sum of positive squares in 2 ways, for example, as 35490415321 + 4718453481 = 188389^2 + 68691^2 .

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

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, 444699 + ... + 527422.

Almost surely, 2^40208868802 is an apocalyptic number.

40208868802 is a deficient number, since it is larger than the sum of its proper divisors (20107412810).

40208868802 is a wasteful number, since it uses less digits than its factorization.

40208868802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992804.

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 40208868802 in words is "forty billion, two hundred eight million, eight hundred sixty-eight thousand, eight hundred two".