396945005080 has 32 divisors (see below), whose sum is σ = 961828282800. Its totient is φ = 146564309376.

The previous prime is 396945005053. The next prime is 396945005081. The reversal of 396945005080 is 80500549693.

It is a super-2 number, since 2×396945005080² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396945005081) 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, 381677370 + ... + 381678409.

Almost surely, 2^396945005080 is an apocalyptic number.

It is an amenable number.

396945005080 is an abundant number, since it is smaller than the sum of its proper divisors (564883277720).

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

396945005080 is a wasteful number, since it uses less digits than its factorization.

396945005080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763355803 (or 763355799 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 396945005080 in words is "three hundred ninety-six billion, nine hundred forty-five million, five thousand, eighty".