40378050 has 72 divisors (see below), whose sum is σ = 110594484. Its totient is φ = 10558080.

The previous prime is 40378049. The next prime is 40378057. The reversal of 40378050 is 5087304.

It can be written as a sum of positive squares in 6 ways, for example, as 16670889 + 23707161 = 4083^2 + 4869^2 .

It is not an unprimeable number, because it can be changed into a prime (40378057) 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 35 ways as a sum of consecutive naturals, for example, 23004 + ... + 24696.

Almost surely, 2^40378050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40378050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55297242).

40378050 is an abundant number, since it is smaller than the sum of its proper divisors (70216434).

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

40378050 is a wasteful number, since it uses less digits than its factorization.

40378050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40378050 is about 6354.3725103270. The cubic root of 40378050 is about 343.0692400458.

The spelling of 40378050 in words is "forty million, three hundred seventy-eight thousand, fifty".