40470066 has 96 divisors (see below), whose sum is σ = 111541248. Its totient is φ = 10316160.

The previous prime is 40470061. The next prime is 40470083. The reversal of 40470066 is 66007404.

It is not an unprimeable number, because it can be changed into a prime (40470061) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 50380 + ... + 51176.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^40470066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40470066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55770624).

40470066 is an abundant number, since it is smaller than the sum of its proper divisors (71071182).

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

40470066 is a wasteful number, since it uses less digits than its factorization.

40470066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40470066 is about 6361.6087587968. The cubic root of 40470066 is about 343.3296448112.

The spelling of 40470066 in words is "forty million, four hundred seventy thousand, sixty-six".