40004033020 has 48 divisors (see below), whose sum is σ = 97583629248. Its totient is φ = 13490818560.

The previous prime is 40004032951. The next prime is 40004033023. The reversal of 40004033020 is 2033040004.

40004033020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40004032985 and 40004033003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004033023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2333617 + ... + 2350696.

It is an arithmetic number, because the mean of its divisors is an integer number (2032992276).

Almost surely, 2^40004033020 is an apocalyptic number.

It is an amenable number.

40004033020 is an abundant number, since it is smaller than the sum of its proper divisors (57579596228).

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

40004033020 is a wasteful number, since it uses less digits than its factorization.

40004033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684390 (or 4684388 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 40004033020 its reverse (2033040004), we get a palindrome (42037073024).

The spelling of 40004033020 in words is "forty billion, four million, thirty-three thousand, twenty".