2040424400 has 60 divisors (see below), whose sum is σ = 5602430112. Its totient is φ = 699573120.

The previous prime is 2040424363. The next prime is 2040424447. The reversal of 2040424400 is 44240402.

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

It is a congruent number.

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, 361562 + ... + 367161.

Almost surely, 2^2040424400 is an apocalyptic number.

2040424400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040424400 is an abundant number, since it is smaller than the sum of its proper divisors (3562005712).

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

2040424400 is a wasteful number, since it uses less digits than its factorization.

2040424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728748 (or 728737 counting only the distinct ones).

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

The square root of 2040424400 is about 45171.0571051863. The cubic root of 2040424400 is about 1268.3530846071.

Adding to 2040424400 its reverse (44240402), we get a palindrome (2084664802).

The spelling of 2040424400 in words is "two billion, forty million, four hundred twenty-four thousand, four hundred".