40480839 has 24 divisors (see below), whose sum is σ = 69132960. Its totient is φ = 22333248.

The previous prime is 40480837. The next prime is 40480873. The reversal of 40480839 is 93808404.

It is not a de Polignac number, because 40480839 - 2¹ = 40480837 is a prime.

It is a super-2 number, since 2×40480839² = 3277396652287842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40480837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9252 + ... + 12905.

It is an arithmetic number, because the mean of its divisors is an integer number (2880540).

Almost surely, 2^40480839 is an apocalyptic number.

40480839 is a deficient number, since it is larger than the sum of its proper divisors (28652121).

40480839 is a wasteful number, since it uses less digits than its factorization.

40480839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22199 (or 22196 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40480839 is about 6362.4554222407. The cubic root of 40480839 is about 343.3601065202.

The spelling of 40480839 in words is "forty million, four hundred eighty thousand, eight hundred thirty-nine".