250428561849648 has 240 divisors, whose sum is σ = 864863241598720. Its totient is φ = 65872825191936.

The previous prime is 250428561849617. The next prime is 250428561849649. The reversal of 250428561849648 is 846948165824052.

250428561849648 is a `hidden beast` number, since 2 + 5 + 0 + 4 + 2 + 85 + 6 + 18 + 496 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (250428561849649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20245786 + ... + 30178617.

Almost surely, 2^{250428561849648} is an apocalyptic number.

250428561849648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

250428561849648 is an abundant number, since it is smaller than the sum of its proper divisors (614434679749072).

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

250428561849648 is a wasteful number, since it uses less digits than its factorization.

250428561849648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424816 (or 50424807 counting only the distinct ones).

The product of its (nonzero) digits is 1061683200, while the sum is 72.

The spelling of 250428561849648 in words is "two hundred fifty trillion, four hundred twenty-eight billion, five hundred sixty-one million, eight hundred forty-nine thousand, six hundred forty-eight".