40425033656 has 32 divisors (see below), whose sum is σ = 86653308000. Its totient is φ = 17319367296.

The previous prime is 40425033647. The next prime is 40425033659. The reversal of 40425033656 is 65633052404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425033659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58010 + ... + 290198.

It is an arithmetic number, because the mean of its divisors is an integer number (2707915875).

Almost surely, 2^40425033656 is an apocalyptic number.

It is an amenable number.

40425033656 is an abundant number, since it is smaller than the sum of its proper divisors (46228274344).

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

40425033656 is a wasteful number, since it uses less digits than its factorization.

40425033656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235311 (or 235307 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 40425033656 in words is "forty billion, four hundred twenty-five million, thirty-three thousand, six hundred fifty-six".