40202227578018 has 64 divisors (see below), whose sum is σ = 92903884789248. Its totient is φ = 11462136510720.

The previous prime is 40202227577987. The next prime is 40202227578031. The reversal of 40202227578018 is 81087572220204.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2400180 + ... + 9282527.

It is an arithmetic number, because the mean of its divisors is an integer number (1451623199832).

Almost surely, 2^{40202227578018} is an apocalyptic number.

40202227578018 is an abundant number, since it is smaller than the sum of its proper divisors (52701657211230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40202227578018 is a wasteful number, since it uses less digits than its factorization.

40202227578018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11685807.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 40202227578018 in words is "forty trillion, two hundred two billion, two hundred twenty-seven million, five hundred seventy-eight thousand, eighteen".