40628422 has 16 divisors (see below), whose sum is σ = 65363760. Its totient is φ = 18880992.

The previous prime is 40628407. The next prime is 40628429. The reversal of 40628422 is 22482604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40628429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8073 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (4085235).

Almost surely, 2^40628422 is an apocalyptic number.

40628422 is a deficient number, since it is larger than the sum of its proper divisors (24735338).

40628422 is a wasteful number, since it uses less digits than its factorization.

40628422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20247.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40628422 is about 6374.0428301040. The cubic root of 40628422 is about 343.7768687758.

The spelling of 40628422 in words is "forty million, six hundred twenty-eight thousand, four hundred twenty-two".