40122203425 has 12 divisors (see below), whose sum is σ = 50433062380. Its totient is φ = 31658065920.

The previous prime is 40122203413. The next prime is 40122203431. The reversal of 40122203425 is 52430222104.

40122203425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1970738449 + 38151464976 = 44393^2 + 195324^2 .

It is not a de Polignac number, because 40122203425 - 2⁵ = 40122203393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40122203425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10990560 + ... + 10994209.

Almost surely, 2^40122203425 is an apocalyptic number.

It is an amenable number.

40122203425 is a deficient number, since it is larger than the sum of its proper divisors (10310858955).

40122203425 is a wasteful number, since it uses less digits than its factorization.

40122203425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21984852 (or 21984847 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40122203425 its reverse (52430222104), we get a palindrome (92552425529).

The spelling of 40122203425 in words is "forty billion, one hundred twenty-two million, two hundred three thousand, four hundred twenty-five".