8281190254428 has 192 divisors, whose sum is σ = 27068807485440. Its totient is φ = 2130780556800.

The previous prime is 8281190254427. The next prime is 8281190254433. The reversal of 8281190254428 is 8244520911828.

8281190254428 is a `hidden beast` number, since 8 + 2 + 8 + 1 + 1 + 90 + 2 + 544 + 2 + 8 = 666.

It is a super-2 number, since 2×8281190254428² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8281190254427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9872808 + ... + 10678703.

It is an arithmetic number, because the mean of its divisors is an integer number (140983372320).

Almost surely, 2^{8281190254428} is an apocalyptic number.

It is an amenable number.

8281190254428 is an abundant number, since it is smaller than the sum of its proper divisors (18787617231012).

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

8281190254428 is a wasteful number, since it uses less digits than its factorization.

8281190254428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20551585 (or 20551577 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 8281190254428 in words is "eight trillion, two hundred eighty-one billion, one hundred ninety million, two hundred fifty-four thousand, four hundred twenty-eight".