40719840 has 96 divisors (see below), whose sum is σ = 146603520. Its totient is φ = 9306624.

The previous prime is 40719829. The next prime is 40719841. The reversal of 40719840 is 4891704.

40719840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40719841) 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 15 ways as a sum of consecutive naturals, for example, 2700 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (1527120).

Almost surely, 2^40719840 is an apocalyptic number.

40719840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40719840 is an abundant number, since it is smaller than the sum of its proper divisors (105883680).

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

40719840 is a wasteful number, since it uses less digits than its factorization.

40719840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144 (or 12136 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 40719840 is about 6381.2099166224. The cubic root of 40719840 is about 344.0345197016.

Subtracting from 40719840 its product of nonzero digits (8064), we obtain a triangular number (40711776 = T₉₀₂₃).

The spelling of 40719840 in words is "forty million, seven hundred nineteen thousand, eight hundred forty".