40402760 has 16 divisors (see below), whose sum is σ = 90906300. Its totient is φ = 16161088.

The previous prime is 40402729. The next prime is 40402777. The reversal of 40402760 is 6720404.

40402760 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 2 ways, for example, as 40271716 + 131044 = 6346^2 + 362^2 .

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 3 ways as a sum of consecutive naturals, for example, 504995 + ... + 505074.

Almost surely, 2^40402760 is an apocalyptic number.

40402760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40402760 is an abundant number, since it is smaller than the sum of its proper divisors (50503540).

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

40402760 is a wasteful number, since it uses less digits than its factorization.

40402760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010080 (or 1010076 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40402760 is about 6356.3165434078. The cubic root of 40402760 is about 343.1392080296.

The spelling of 40402760 in words is "forty million, four hundred two thousand, seven hundred sixty".