40544460 has 72 divisors (see below), whose sum is σ = 134171856. Its totient is φ = 9828480.

The previous prime is 40544437. The next prime is 40544467. The reversal of 40544460 is 6444504.

It is not an unprimeable number, because it can be changed into a prime (40544467) 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, 8259 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (1863498).

Almost surely, 2^40544460 is an apocalyptic number.

It is an amenable number.

40544460 is an abundant number, since it is smaller than the sum of its proper divisors (93627396).

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

40544460 is a wasteful number, since it uses less digits than its factorization.

40544460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20503 (or 20498 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40544460 is about 6367.4531800399. The cubic root of 40544460 is about 343.5398909960.

Adding to 40544460 its reverse (6444504), we get a palindrome (46988964).

It can be divided in two parts, 405444 and 60, that added together give a palindrome (405504).

The spelling of 40544460 in words is "forty million, five hundred forty-four thousand, four hundred sixty".