4000220905340 has 48 divisors (see below), whose sum is σ = 9174761809920. Its totient is φ = 1452940169280.

The previous prime is 4000220905337. The next prime is 4000220905441. The reversal of 4000220905340 is 435090220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10344800 + ... + 10724519.

It is an arithmetic number, because the mean of its divisors is an integer number (191140871040).

Almost surely, 2^{4000220905340} is an apocalyptic number.

It is an amenable number.

4000220905340 is an abundant number, since it is smaller than the sum of its proper divisors (5174540904580).

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

4000220905340 is a wasteful number, since it uses less digits than its factorization.

4000220905340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070202 (or 21070200 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 4000220905340 in words is "four trillion, two hundred twenty million, nine hundred five thousand, three hundred forty".