84928120440 has 64 divisors (see below), whose sum is σ = 255841644960. Its totient is φ = 22553518080.

The previous prime is 84928120439. The next prime is 84928120441. The reversal of 84928120440 is 4402182948.

It is an interprime number because it is at equal distance from previous prime (84928120439) and next prime (84928120441).

It is a super-2 number, since 2×84928120440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84928120392 and 84928120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84928120441) 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 15 ways as a sum of consecutive naturals, for example, 1439409 + ... + 1497248.

Almost surely, 2^84928120440 is an apocalyptic number.

It is an amenable number.

84928120440 is an abundant number, since it is smaller than the sum of its proper divisors (170913524520).

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

84928120440 is a wasteful number, since it uses less digits than its factorization.

84928120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936912 (or 2936908 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 84928120440 in words is "eighty-four billion, nine hundred twenty-eight million, one hundred twenty thousand, four hundred forty".