40466025 has 18 divisors (see below), whose sum is σ = 72479550. Its totient is φ = 21581760.

The previous prime is 40466003. The next prime is 40466033. The reversal of 40466025 is 52066404.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 168921 + 40297104 = 411^2 + 6348^2 .

It is not a de Polignac number, because 40466025 - 2⁶ = 40465961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40466025.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89700 + ... + 90149.

Almost surely, 2^40466025 is an apocalyptic number.

40466025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40466025 is a deficient number, since it is larger than the sum of its proper divisors (32013525).

40466025 is a wasteful number, since it uses less digits than its factorization.

40466025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179865 (or 179857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40466025 is about 6361.2911425276. The cubic root of 40466025 is about 343.3182170951.

The spelling of 40466025 in words is "forty million, four hundred sixty-six thousand, twenty-five".