40521022 has 4 divisors (see below), whose sum is σ = 60781536. Its totient is φ = 20260510.

The previous prime is 40521011. The next prime is 40521029. The reversal of 40521022 is 22012504.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40520987 and 40521005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40521029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130254 + ... + 10130257.

It is an arithmetic number, because the mean of its divisors is an integer number (15195384).

Almost surely, 2^40521022 is an apocalyptic number.

40521022 is a deficient number, since it is larger than the sum of its proper divisors (20260514).

40521022 is a wasteful number, since it uses less digits than its factorization.

40521022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260513.

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

The square root of 40521022 is about 6365.6124607142. The cubic root of 40521022 is about 343.4736802238.

Adding to 40521022 its reverse (22012504), we get a palindrome (62533526).

The spelling of 40521022 in words is "forty million, five hundred twenty-one thousand, twenty-two".