40180560 has 80 divisors (see below), whose sum is σ = 142359936. Its totient is φ = 9183744.

The previous prime is 40180559. The next prime is 40180579. The reversal of 40180560 is 6508104.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×40180560² = 3228954803827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40180560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 13638.

Almost surely, 2^40180560 is an apocalyptic number.

40180560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40180560 is an abundant number, since it is smaller than the sum of its proper divisors (102179376).

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

40180560 is a wasteful number, since it uses less digits than its factorization.

40180560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940 (or 23934 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 40180560 is about 6338.8137691527. The cubic root of 40180560 is about 342.5090057482.

Adding to 40180560 its reverse (6508104), we get a palindrome (46688664).

The spelling of 40180560 in words is "forty million, one hundred eighty thousand, five hundred sixty".