40641336 has 24 divisors (see below), whose sum is σ = 110070480. Its totient is φ = 13547088.

The previous prime is 40641331. The next prime is 40641353. The reversal of 40641336 is 63314604.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40641331) 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 5 ways as a sum of consecutive naturals, for example, 282160 + ... + 282303.

It is an arithmetic number, because the mean of its divisors is an integer number (4586270).

Almost surely, 2^40641336 is an apocalyptic number.

It is an amenable number.

40641336 is an abundant number, since it is smaller than the sum of its proper divisors (69429144).

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

40641336 is a wasteful number, since it uses less digits than its factorization.

40641336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564475 (or 564468 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40641336 is about 6375.0557644620. The cubic root of 40641336 is about 343.8132887988.

The spelling of 40641336 in words is "forty million, six hundred forty-one thousand, three hundred thirty-six".