40560540 has 24 divisors (see below), whose sum is σ = 113569680. Its totient is φ = 10816128.

The previous prime is 40560517. The next prime is 40560551. The reversal of 40560540 is 4506504.

It is a self number, because there is not a number n which added to its sum of digits gives 40560540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337945 + ... + 338064.

It is an arithmetic number, because the mean of its divisors is an integer number (4732070).

Almost surely, 2^40560540 is an apocalyptic number.

It is an amenable number.

40560540 is an abundant number, since it is smaller than the sum of its proper divisors (73009140).

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

40560540 is a wasteful number, since it uses less digits than its factorization.

40560540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676021 (or 676019 counting only the distinct ones).

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

The square root of 40560540 is about 6368.7157261099. The cubic root of 40560540 is about 343.5853011565.

It can be divided in two parts, 40560 and 540, that multiplied together give a square (21902400 = 4680²).

The spelling of 40560540 in words is "forty million, five hundred sixty thousand, five hundred forty".