40425522 has 32 divisors (see below), whose sum is σ = 82605312. Its totient is φ = 13185744.

The previous prime is 40425433. The next prime is 40425527. The reversal of 40425522 is 22552404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40425492 and 40425501.

It is not an unprimeable number, because it can be changed into a prime (40425527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91033 + ... + 91475.

It is an arithmetic number, because the mean of its divisors is an integer number (2581416).

Almost surely, 2^40425522 is an apocalyptic number.

40425522 is an abundant number, since it is smaller than the sum of its proper divisors (42179790).

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

40425522 is a wasteful number, since it uses less digits than its factorization.

40425522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40425522 is about 6358.1067936926. The cubic root of 40425522 is about 343.2036348852.

Adding to 40425522 its reverse (22552404), we get a palindrome (62977926).

The spelling of 40425522 in words is "forty million, four hundred twenty-five thousand, five hundred twenty-two".