84255162240 has 128 divisors (see below), whose sum is σ = 271332623520. Its totient is φ = 22236364800.

The previous prime is 84255162203. The next prime is 84255162241. The reversal of 84255162240 is 4226155248.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84255162241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39961 + ... + 412440.

Almost surely, 2^84255162240 is an apocalyptic number.

84255162240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84255162240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135666311760).

84255162240 is an abundant number, since it is smaller than the sum of its proper divisors (187077461280).

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

84255162240 is a wasteful number, since it uses less digits than its factorization.

84255162240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452520 (or 452508 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 84255162240 in words is "eighty-four billion, two hundred fifty-five million, one hundred sixty-two thousand, two hundred forty".