2040720024 has 64 divisors (see below), whose sum is σ = 6031699200. Its totient is φ = 562955904.

The previous prime is 2040719977. The next prime is 2040720043. The reversal of 2040720024 is 4200270402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 204562 + ... + 214305.

It is an arithmetic number, because the mean of its divisors is an integer number (94245300).

Almost surely, 2^2040720024 is an apocalyptic number.

2040720024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2040720024 is an abundant number, since it is smaller than the sum of its proper divisors (3990979176).

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

2040720024 is a wasteful number, since it uses less digits than its factorization.

2040720024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418912 (or 418908 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2040720024 is about 45174.3292589940. The cubic root of 2040720024 is about 1268.4143361627.

Adding to 2040720024 its reverse (4200270402), we get a palindrome (6240990426).

The spelling of 2040720024 in words is "two billion, forty million, seven hundred twenty thousand, twenty-four".