40024305020 has 24 divisors (see below), whose sum is σ = 96058332384. Its totient is φ = 13722618816.

The previous prime is 40024305007. The next prime is 40024305037. The reversal of 40024305020 is 2050342004.

40024305020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 40024304983 and 40024305001.

It is a congruent number.

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, 142943807 + ... + 142944086.

It is an arithmetic number, because the mean of its divisors is an integer number (4002430516).

Almost surely, 2^40024305020 is an apocalyptic number.

It is an amenable number.

40024305020 is an abundant number, since it is smaller than the sum of its proper divisors (56034027364).

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

40024305020 is a wasteful number, since it uses less digits than its factorization.

40024305020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285887909 (or 285887907 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 40024305020 its reverse (2050342004), we get a palindrome (42074647024).

The spelling of 40024305020 in words is "forty billion, twenty-four million, three hundred five thousand, twenty".