40354736 has 40 divisors (see below), whose sum is σ = 83766960. Its totient is φ = 18765824.

The previous prime is 40354709. The next prime is 40354763. The reversal of 40354736 is 63745304.

40354736 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 (40354709) and next prime (40354763).

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 7 ways as a sum of consecutive naturals, for example, 23375 + ... + 25041.

It is an arithmetic number, because the mean of its divisors is an integer number (2094174).

Almost surely, 2^40354736 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 40354736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41883480).

40354736 is an abundant number, since it is smaller than the sum of its proper divisors (43412224).

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

40354736 is a wasteful number, since it uses less digits than its factorization.

40354736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 40354736 is about 6352.5377606119. The cubic root of 40354736 is about 343.0031987507.

The spelling of 40354736 in words is "forty million, three hundred fifty-four thousand, seven hundred thirty-six".