4040551420 has 24 divisors (see below), whose sum is σ = 8495502624. Its totient is φ = 1614250176.

The previous prime is 4040551409. The next prime is 4040551429. The reversal of 4040551420 is 241550404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040551429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106279 + ... + 139198.

It is an arithmetic number, because the mean of its divisors is an integer number (353979276).

Almost surely, 2^4040551420 is an apocalyptic number.

It is an amenable number.

4040551420 is an abundant number, since it is smaller than the sum of its proper divisors (4454951204).

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

4040551420 is a wasteful number, since it uses less digits than its factorization.

4040551420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246309 (or 246307 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4040551420 is about 63565.3319034834. The cubic root of 4040551420 is about 1592.7473065106.

The spelling of 4040551420 in words is "four billion, forty million, five hundred fifty-one thousand, four hundred twenty".