801539460 has 144 divisors (see below), whose sum is σ = 2591761536. Its totient is φ = 199812096.

The previous prime is 801539437. The next prime is 801539467. The reversal of 801539460 is 64935108.

801539460 is a `hidden beast` number, since 80 + 1 + 539 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (801539467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497977 + ... + 499583.

It is an arithmetic number, because the mean of its divisors is an integer number (17998344).

Almost surely, 2^801539460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801539460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295880768).

801539460 is an abundant number, since it is smaller than the sum of its proper divisors (1790222076).

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

801539460 is a wasteful number, since it uses less digits than its factorization.

801539460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 801539460 is about 28311.4722330012. The cubic root of 801539460 is about 928.9128468719.

The spelling of 801539460 in words is "eight hundred one million, five hundred thirty-nine thousand, four hundred sixty".