40005022 has 8 divisors (see below), whose sum is σ = 60829776. Its totient is φ = 19728432.

The previous prime is 40005011. The next prime is 40005023. The reversal of 40005022 is 22050004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40004993 and 40005011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136858 + ... + 137149.

It is an arithmetic number, because the mean of its divisors is an integer number (7603722).

Almost surely, 2^40005022 is an apocalyptic number.

40005022 is a deficient number, since it is larger than the sum of its proper divisors (20824754).

40005022 is a wasteful number, since it uses less digits than its factorization.

40005022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274082.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40005022 is about 6324.9523318362. The cubic root of 40005022 is about 342.0095012351.

Adding to 40005022 its reverse (22050004), we get a palindrome (62055026).

The spelling of 40005022 in words is "forty million, five thousand, twenty-two".