40250404425 has 144 divisors (see below), whose sum is σ = 84931689024. Its totient is φ = 16632000000.

The previous prime is 40250404423. The next prime is 40250404483. The reversal of 40250404425 is 52440405204.

It is not a de Polignac number, because 40250404425 - 2¹ = 40250404423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40250404392 and 40250404401.

It is not an unprimeable number, because it can be changed into a prime (40250404423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7314175 + ... + 7319675.

It is an arithmetic number, because the mean of its divisors is an integer number (589803396).

Almost surely, 2^40250404425 is an apocalyptic number.

It is an amenable number.

40250404425 is an abundant number, since it is smaller than the sum of its proper divisors (44681284599).

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

40250404425 is a wasteful number, since it uses less digits than its factorization.

40250404425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 40250404425 its reverse (52440405204), we get a palindrome (92690809629).

The spelling of 40250404425 in words is "forty billion, two hundred fifty million, four hundred four thousand, four hundred twenty-five".