40646060 has 96 divisors (see below), whose sum is σ = 109734912. Its totient is φ = 12291840.

The previous prime is 40646059. The next prime is 40646063. The reversal of 40646060 is 6064604.

40646060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40646063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41375 + ... + 42345.

It is an arithmetic number, because the mean of its divisors is an integer number (1143072).

Almost surely, 2^40646060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40646060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54867456).

40646060 is an abundant number, since it is smaller than the sum of its proper divisors (69088852).

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

40646060 is a wasteful number, since it uses less digits than its factorization.

40646060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40646060 is about 6375.4262602590. The cubic root of 40646060 is about 343.8266094817.

The spelling of 40646060 in words is "forty million, six hundred forty-six thousand, sixty".