40464522 has 80 divisors (see below), whose sum is σ = 109771200. Its totient is φ = 10876032.

The previous prime is 40464503. The next prime is 40464553. The reversal of 40464522 is 22546404.

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

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 39 ways as a sum of consecutive naturals, for example, 18229 + ... + 20327.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^40464522 is an apocalyptic number.

40464522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40464522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54885600).

40464522 is an abundant number, since it is smaller than the sum of its proper divisors (69306678).

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

40464522 is a wasteful number, since it uses less digits than its factorization.

40464522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40464522 is about 6361.1730050361. The cubic root of 40464522 is about 343.3139665032.

The spelling of 40464522 in words is "forty million, four hundred sixty-four thousand, five hundred twenty-two".