40402062 has 12 divisors (see below), whose sum is σ = 87537840. Its totient is φ = 13467348.

The previous prime is 40402057. The next prime is 40402067. The reversal of 40402062 is 26020404.

40402062 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 (40402057) and next prime (40402067).

It is a super-2 number, since 2×40402062² = 3264653227703688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2244559 = 40402062 / (4 + 0 + 4 + 0 + 2 + 0 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402067) 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, 1122262 + ... + 1122297.

It is an arithmetic number, because the mean of its divisors is an integer number (7294820).

Almost surely, 2^40402062 is an apocalyptic number.

40402062 is an abundant number, since it is smaller than the sum of its proper divisors (47135778).

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

40402062 is a wasteful number, since it uses less digits than its factorization.

40402062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244567 (or 2244564 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40402062 is about 6356.2616371575. The cubic root of 40402062 is about 343.1372319885.

Adding to 40402062 its reverse (26020404), we get a palindrome (66422466).

The spelling of 40402062 in words is "forty million, four hundred two thousand, sixty-two".