40678002 has 12 divisors (see below), whose sum is σ = 88135710. Its totient is φ = 13559328.

The previous prime is 40677997. The next prime is 40678003. The reversal of 40678002 is 20087604.

40678002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 1252161 = 6279^2 + 1119^2 .

It is not an unprimeable number, because it can be changed into a prime (40678003) 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 5 ways as a sum of consecutive naturals, for example, 1129927 + ... + 1129962.

Almost surely, 2^40678002 is an apocalyptic number.

40678002 is an abundant number, since it is smaller than the sum of its proper divisors (47457708).

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

40678002 is a wasteful number, since it uses less digits than its factorization.

40678002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259897 (or 2259894 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40678002 is about 6377.9308556929. The cubic root of 40678002 is about 343.9166521076.

The spelling of 40678002 in words is "forty million, six hundred seventy-eight thousand, two".