40121055868204 has 12 divisors (see below), whose sum is σ = 70356019944784. Its totient is φ = 20019335883984.

The previous prime is 40121055868199. The next prime is 40121055868237. The reversal of 40121055868204 is 40286855012104.

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, 10298010339 + ... + 10298014234.

Almost surely, 2^{40121055868204} is an apocalyptic number.

It is an amenable number.

40121055868204 is a deficient number, since it is larger than the sum of its proper divisors (30234964076580).

40121055868204 is a wasteful number, since it uses less digits than its factorization.

40121055868204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20596025064 (or 20596025062 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 40121055868204 in words is "forty trillion, one hundred twenty-one billion, fifty-five million, eight hundred sixty-eight thousand, two hundred four".