40251022 has 16 divisors (see below), whose sum is σ = 69102720. Its totient is φ = 17225208.

The previous prime is 40251017. The next prime is 40251031. The reversal of 40251022 is 22015204.

40251022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40250987 and 40251005.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10353 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (4318920).

Almost surely, 2^40251022 is an apocalyptic number.

40251022 is a deficient number, since it is larger than the sum of its proper divisors (28851698).

40251022 is a wasteful number, since it uses less digits than its factorization.

40251022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40251022 is about 6344.3693145970. The cubic root of 40251022 is about 342.7091006529.

Adding to 40251022 its reverse (22015204), we get a palindrome (62266226).

The spelling of 40251022 in words is "forty million, two hundred fifty-one thousand, twenty-two".