40120566 has 8 divisors (see below), whose sum is σ = 80241144. Its totient is φ = 13373520.

The previous prime is 40120559. The next prime is 40120573. The reversal of 40120566 is 66502104.

It is an interprime number because it is at equal distance from previous prime (40120559) and next prime (40120573).

It is a sphenic number, since it is the product of 3 distinct primes.

40120566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343375 + ... + 3343386.

It is an arithmetic number, because the mean of its divisors is an integer number (10030143).

Almost surely, 2^40120566 is an apocalyptic number.

40120566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40120566 is a wasteful number, since it uses less digits than its factorization.

40120566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686766.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40120566 is about 6334.0797279479. The cubic root of 40120566 is about 342.3384529500.

The spelling of 40120566 in words is "forty million, one hundred twenty thousand, five hundred sixty-six".