40042040222220 has 48 divisors (see below), whose sum is σ = 112118233032288. Its totient is φ = 10677827829760.

The previous prime is 40042040222209. The next prime is 40042040222267. The reversal of 40042040222220 is 2222204024004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12545302 + ... + 15410018.

It is an arithmetic number, because the mean of its divisors is an integer number (2335796521506).

Almost surely, 2^{40042040222220} is an apocalyptic number.

It is an amenable number.

40042040222220 is an abundant number, since it is smaller than the sum of its proper divisors (72076192810068).

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

40042040222220 is a wasteful number, since it uses less digits than its factorization.

40042040222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097690 (or 3097688 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40042040222220 its reverse (2222204024004), we get a palindrome (42264244246224).

The spelling of 40042040222220 in words is "forty trillion, forty-two billion, forty million, two hundred twenty-two thousand, two hundred twenty".