40505460 has 48 divisors (see below), whose sum is σ = 117331200. Its totient is φ = 10428544.

The previous prime is 40505449. The next prime is 40505467. The reversal of 40505460 is 6450504.

It is a self number, because there is not a number n which added to its sum of digits gives 40505460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505467) 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, 9900 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400).

Almost surely, 2^40505460 is an apocalyptic number.

It is an amenable number.

40505460 is an abundant number, since it is smaller than the sum of its proper divisors (76825740).

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

40505460 is a wasteful number, since it uses less digits than its factorization.

40505460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23320 (or 23318 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40505460 is about 6364.3899943357. The cubic root of 40505460 is about 343.4297045164.

Adding to 40505460 its reverse (6450504), we get a palindrome (46955964).

The spelling of 40505460 in words is "forty million, five hundred five thousand, four hundred sixty".