811401360 has 480 divisors, whose sum is σ = 3317787648. Its totient is φ = 159329280.

The previous prime is 811401329. The next prime is 811401361. The reversal of 811401360 is 63104118.

811401360 = T₁₁₁ + T₁₁₂ + ... + T₁₆₉₄.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 811401360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811401361) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9775879 + ... + 9775961.

Almost surely, 2^811401360 is an apocalyptic number.

811401360 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 811401360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658893824).

811401360 is an abundant number, since it is smaller than the sum of its proper divisors (2506386288).

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

811401360 is a wasteful number, since it uses less digits than its factorization.

811401360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 811401360 is about 28485.1076880534. The cubic root of 811401360 is about 932.7070163094.

Adding to 811401360 its reverse (63104118), we get a palindrome (874505478).

The spelling of 811401360 in words is "eight hundred eleven million, four hundred one thousand, three hundred sixty".