40466145 has 8 divisors (see below), whose sum is σ = 64745856. Its totient is φ = 21581936.

The previous prime is 40466093. The next prime is 40466147. The reversal of 40466145 is 54166404.

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

It is a cyclic number.

It is not a de Polignac number, because 40466145 - 2⁸ = 40465889 is a prime.

It is a super-2 number, since 2×40466145² = 3275017782322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40466147) 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, 1348857 + ... + 1348886.

It is an arithmetic number, because the mean of its divisors is an integer number (8093232).

Almost surely, 2^40466145 is an apocalyptic number.

It is an amenable number.

40466145 is a deficient number, since it is larger than the sum of its proper divisors (24279711).

40466145 is a wasteful number, since it uses less digits than its factorization.

40466145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697751.

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

The square root of 40466145 is about 6361.3005745681. The cubic root of 40466145 is about 343.3185564591.

The spelling of 40466145 in words is "forty million, four hundred sixty-six thousand, one hundred forty-five".