801413550 has 288 divisors, whose sum is σ = 2636974080. Its totient is φ = 170553600.

The previous prime is 801413537. The next prime is 801413567. The reversal of 801413550 is 55314108.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 2831709 + ... + 2831991.

It is an arithmetic number, because the mean of its divisors is an integer number (9156160).

Almost surely, 2^801413550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801413550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318487040).

801413550 is an abundant number, since it is smaller than the sum of its proper divisors (1835560530).

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

801413550 is a wasteful number, since it uses less digits than its factorization.

801413550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 801413550 is about 28309.2484887890. The cubic root of 801413550 is about 928.8642048328.

Adding to 801413550 its reverse (55314108), we get a palindrome (856727658).

The spelling of 801413550 in words is "eight hundred one million, four hundred thirteen thousand, five hundred fifty".