40520466 has 32 divisors (see below), whose sum is σ = 102910080. Its totient is φ = 11577168.

The previous prime is 40520449. The next prime is 40520477. The reversal of 40520466 is 66402504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53221 + ... + 53976.

It is an arithmetic number, because the mean of its divisors is an integer number (3215940).

Almost surely, 2^40520466 is an apocalyptic number.

40520466 is an abundant number, since it is smaller than the sum of its proper divisors (62389614).

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

40520466 is a wasteful number, since it uses less digits than its factorization.

40520466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107215 (or 107209 counting only the distinct ones).

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

The square root of 40520466 is about 6365.5687884116. The cubic root of 40520466 is about 343.4721092512.

The spelling of 40520466 in words is "forty million, five hundred twenty thousand, four hundred sixty-six".