40422422425 has 48 divisors (see below), whose sum is σ = 62558888832. Its totient is φ = 25171430400.

The previous prime is 40422422419. The next prime is 40422422479. The reversal of 40422422425 is 52422422404.

It is a happy number.

It is not a de Polignac number, because 40422422425 - 2⁷ = 40422422297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1869979 + ... + 1891471.

It is an arithmetic number, because the mean of its divisors is an integer number (1303310184).

Almost surely, 2^40422422425 is an apocalyptic number.

It is an amenable number.

40422422425 is a deficient number, since it is larger than the sum of its proper divisors (22136466407).

40422422425 is a wasteful number, since it uses less digits than its factorization.

40422422425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22498 (or 22493 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 40422422425 its reverse (52422422404), we get a palindrome (92844844829).

The spelling of 40422422425 in words is "forty billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred twenty-five".