40466000 has 40 divisors (see below), whose sum is σ = 97851624. Its totient is φ = 16185600.

The previous prime is 40465987. The next prime is 40466003. The reversal of 40466000 is 66404.

It can be written as a sum of positive squares in 4 ways, for example, as 1628176 + 38837824 = 1276^2 + 6232^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40466003) 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, 8117 + ... + 12116.

Almost surely, 2^40466000 is an apocalyptic number.

40466000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40466000 is an abundant number, since it is smaller than the sum of its proper divisors (57385624).

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

40466000 is a wasteful number, since it uses less digits than its factorization.

40466000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20256 (or 20240 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40466000 is about 6361.2891775174. The cubic root of 40466000 is about 343.3181463941.

The spelling of 40466000 in words is "forty million, four hundred sixty-six thousand".