2220040420040 has 32 divisors (see below), whose sum is σ = 4995134110080. Its totient is φ = 888008494272.

The previous prime is 2220040419953. The next prime is 2220040420093. The reversal of 2220040420040 is 400240400222.

It is a super-2 number, since 2×2220040420040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220040419994 and 2220040420021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7658627 + ... + 7943213.

It is an arithmetic number, because the mean of its divisors is an integer number (156097940940).

Almost surely, 2^{2220040420040} is an apocalyptic number.

2220040420040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220040420040 is an abundant number, since it is smaller than the sum of its proper divisors (2775093690040).

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

2220040420040 is a wasteful number, since it uses less digits than its factorization.

2220040420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479621 (or 479617 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2220040420040 its reverse (400240400222), we get a palindrome (2620280820262).

The spelling of 2220040420040 in words is "two trillion, two hundred twenty billion, forty million, four hundred twenty thousand, forty".