40441566 has 16 divisors (see below), whose sum is σ = 88236288. Its totient is φ = 12255000.

The previous prime is 40441561. The next prime is 40441571. The reversal of 40441566 is 66514404.

It is an interprime number because it is at equal distance from previous prime (40441561) and next prime (40441571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441561) 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, 306310 + ... + 306441.

It is an arithmetic number, because the mean of its divisors is an integer number (5514768).

Almost surely, 2^40441566 is an apocalyptic number.

40441566 is an abundant number, since it is smaller than the sum of its proper divisors (47794722).

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

40441566 is a wasteful number, since it uses less digits than its factorization.

40441566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612767.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40441566 is about 6359.3683648614. The cubic root of 40441566 is about 343.2490322032.

The spelling of 40441566 in words is "forty million, four hundred forty-one thousand, five hundred sixty-six".