40205466 has 48 divisors (see below), whose sum is σ = 101207808. Its totient is φ = 11296800.

The previous prime is 40205447. The next prime is 40205471. The reversal of 40205466 is 66450204.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5071 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (2108496).

Almost surely, 2^40205466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40205466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50603904).

40205466 is an abundant number, since it is smaller than the sum of its proper divisors (61002342).

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

40205466 is a wasteful number, since it uses less digits than its factorization.

40205466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307 (or 5304 counting only the distinct ones).

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

The square root of 40205466 is about 6340.7780279710. The cubic root of 40205466 is about 342.5797594274.

The spelling of 40205466 in words is "forty million, two hundred five thousand, four hundred sixty-six".