40424346 has 20 divisors (see below), whose sum is σ = 90580842. Its totient is φ = 13474728.

The previous prime is 40424339. The next prime is 40424353. The reversal of 40424346 is 64342404.

40424346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40424339) and next prime (40424353).

It can be written as a sum of positive squares in only one way, i.e., 37344321 + 3080025 = 6111^2 + 1755^2 .

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 (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124605 + ... + 124928.

Almost surely, 2^40424346 is an apocalyptic number.

40424346 is an abundant number, since it is smaller than the sum of its proper divisors (50156496).

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

40424346 is a wasteful number, since it uses less digits than its factorization.

40424346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249547 (or 249538 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40424346 is about 6358.0143126608. The cubic root of 40424346 is about 343.2003068607.

The spelling of 40424346 in words is "forty million, four hundred twenty-four thousand, three hundred forty-six".