40012453425 has 48 divisors (see below), whose sum is σ = 75630556160. Its totient is φ = 18285099840.

The previous prime is 40012453391. The next prime is 40012453463. The reversal of 40012453425 is 52435421004.

It is not a de Polignac number, because 40012453425 - 2¹⁷ = 40012322353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40012453392 and 40012453401.

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 47 ways as a sum of consecutive naturals, for example, 1730994 + ... + 1753956.

Almost surely, 2^40012453425 is an apocalyptic number.

It is an amenable number.

40012453425 is a deficient number, since it is larger than the sum of its proper divisors (35618102735).

40012453425 is a wasteful number, since it uses less digits than its factorization.

40012453425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302 (or 26297 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40012453425 its reverse (52435421004), we get a palindrome (92447874429).

The spelling of 40012453425 in words is "forty billion, twelve million, four hundred fifty-three thousand, four hundred twenty-five".