40420160225425 has 6 divisors (see below), whose sum is σ = 50120998679558. Its totient is φ = 32336128180320.

The previous prime is 40420160225383. The next prime is 40420160225443. The reversal of 40420160225425 is 52452206102404.

It can be written as a sum of positive squares in 3 ways, for example, as 7160810088961 + 33259350136464 = 2675969^2 + 5767092^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40420160225425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 808403204484 + ... + 808403204533.

Almost surely, 2^{40420160225425} is an apocalyptic number.

It is an amenable number.

40420160225425 is a deficient number, since it is larger than the sum of its proper divisors (9700838454133).

40420160225425 is a wasteful number, since it uses less digits than its factorization.

40420160225425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616806409027 (or 1616806409022 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 40420160225425 its reverse (52452206102404), we get a palindrome (92872366327829).

The spelling of 40420160225425 in words is "forty trillion, four hundred twenty billion, one hundred sixty million, two hundred twenty-five thousand, four hundred twenty-five".