40446617325 has 12 divisors (see below), whose sum is σ = 66871740768. Its totient is φ = 21571529200.

The previous prime is 40446617291. The next prime is 40446617329. The reversal of 40446617325 is 52371664404.

It is a happy number.

It is not a de Polignac number, because 40446617325 - 2⁶ = 40446617261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446617329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269644041 + ... + 269644190.

It is an arithmetic number, because the mean of its divisors is an integer number (5572645064).

Almost surely, 2^40446617325 is an apocalyptic number.

It is an amenable number.

40446617325 is a deficient number, since it is larger than the sum of its proper divisors (26425123443).

40446617325 is a wasteful number, since it uses less digits than its factorization.

40446617325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539288244 (or 539288239 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 40446617325 in words is "forty billion, four hundred forty-six million, six hundred seventeen thousand, three hundred twenty-five".