401080868550 has 72 divisors (see below), whose sum is σ = 1077733482696. Its totient is φ = 106938731520.

The previous prime is 401080868549. The next prime is 401080868621. The reversal of 401080868550 is 55868080104.

401080868550 is a `hidden beast` number, since 4 + 0 + 10 + 8 + 0 + 86 + 8 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401080868496 and 401080868505.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 3075777 + ... + 3203523.

It is an arithmetic number, because the mean of its divisors is an integer number (14968520593).

Almost surely, 2^401080868550 is an apocalyptic number.

401080868550 is an abundant number, since it is smaller than the sum of its proper divisors (676652614146).

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

401080868550 is a wasteful number, since it uses less digits than its factorization.

401080868550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134742 (or 134734 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 401080868550 in words is "four hundred one billion, eighty million, eight hundred sixty-eight thousand, five hundred fifty".