40383378 has 48 divisors (see below), whose sum is σ = 101287680. Its totient is φ = 11389248.

The previous prime is 40383367. The next prime is 40383389. The reversal of 40383378 is 87338304.

It is an interprime number because it is at equal distance from previous prime (40383367) and next prime (40383389).

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 23 ways as a sum of consecutive naturals, for example, 7926 + ... + 11982.

It is an arithmetic number, because the mean of its divisors is an integer number (2110160).

Almost surely, 2^40383378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40383378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50643840).

40383378 is an abundant number, since it is smaller than the sum of its proper divisors (60904302).

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

40383378 is a wasteful number, since it uses less digits than its factorization.

40383378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 40383378 is about 6354.7917353758. The cubic root of 40383378 is about 343.0843290403.

The spelling of 40383378 in words is "forty million, three hundred eighty-three thousand, three hundred seventy-eight".