40563660 has 24 divisors (see below), whose sum is σ = 113578416. Its totient is φ = 10816960.

The previous prime is 40563659. The next prime is 40563661. The reversal of 40563660 is 6636504.

It is an interprime number because it is at equal distance from previous prime (40563659) and next prime (40563661).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40563661) 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, 337971 + ... + 338090.

It is an arithmetic number, because the mean of its divisors is an integer number (4732434).

Almost surely, 2^40563660 is an apocalyptic number.

It is an amenable number.

40563660 is an abundant number, since it is smaller than the sum of its proper divisors (73014756).

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

40563660 is a wasteful number, since it uses less digits than its factorization.

40563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676073 (or 676071 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 40563660 is about 6368.9606687434. The cubic root of 40563660 is about 343.5941106929.

The spelling of 40563660 in words is "forty million, five hundred sixty-three thousand, six hundred sixty".