2203402420040 has 48 divisors (see below), whose sum is σ = 5081523255540. Its totient is φ = 859864332800.

The previous prime is 2203402420027. The next prime is 2203402420073. The reversal of 2203402420040 is 400242043022.

It can be written as a sum of positive squares in 6 ways, for example, as 255128030404 + 1948274389636 = 505102^2 + 1395806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2203402419988 and 2203402420015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16317371 + ... + 16451850.

Almost surely, 2^{2203402420040} is an apocalyptic number.

2203402420040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203402420040 is an abundant number, since it is smaller than the sum of its proper divisors (2878120835500).

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

2203402420040 is a wasteful number, since it uses less digits than its factorization.

2203402420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32769314 (or 32769269 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 2203402420040 its reverse (400242043022), we get a palindrome (2603644463062).

The spelling of 2203402420040 in words is "two trillion, two hundred three billion, four hundred two million, four hundred twenty thousand, forty".