855048840432 has 40 divisors (see below), whose sum is σ = 2216071245696. Its totient is φ = 284087883456.

The previous prime is 855048840427. The next prime is 855048840433. The reversal of 855048840432 is 234048840558.

It is a super-2 number, since 2×855048840432² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855048840433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28997508 + ... + 29026979.

Almost surely, 2^855048840432 is an apocalyptic number.

It is an amenable number.

855048840432 is an abundant number, since it is smaller than the sum of its proper divisors (1361022405264).

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

855048840432 is a wasteful number, since it uses less digits than its factorization.

855048840432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58024805 (or 58024799 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 51.

The spelling of 855048840432 in words is "eight hundred fifty-five billion, forty-eight million, eight hundred forty thousand, four hundred thirty-two".