40003422 has 32 divisors (see below), whose sum is σ = 81782784. Its totient is φ = 13041600.

The previous prime is 40003409. The next prime is 40003451. The reversal of 40003422 is 22430004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76522 + ... + 77042.

It is an arithmetic number, because the mean of its divisors is an integer number (2555712).

Almost surely, 2^40003422 is an apocalyptic number.

40003422 is an abundant number, since it is smaller than the sum of its proper divisors (41779362).

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

40003422 is a wasteful number, since it uses less digits than its factorization.

40003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40003422 is about 6324.8258474048. The cubic root of 40003422 is about 342.0049416201.

Adding to 40003422 its reverse (22430004), we get a palindrome (62433426).

The spelling of 40003422 in words is "forty million, three thousand, four hundred twenty-two".