40480540 has 24 divisors (see below), whose sum is σ = 85462272. Its totient is φ = 16105920.

The previous prime is 40480523. The next prime is 40480547. The reversal of 40480540 is 4508404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40480547) 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, 1479 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (3560928).

Almost surely, 2^40480540 is an apocalyptic number.

It is an amenable number.

40480540 is an abundant number, since it is smaller than the sum of its proper divisors (44981732).

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

40480540 is a wasteful number, since it uses less digits than its factorization.

40480540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797 (or 10795 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 40480540 is about 6362.4319249796. The cubic root of 40480540 is about 343.3592611414.

Adding to 40480540 its reverse (4508404), we get a palindrome (44988944).

The spelling of 40480540 in words is "forty million, four hundred eighty thousand, five hundred forty".