500891040 has 288 divisors, whose sum is σ = 1910877696. Its totient is φ = 123171840.

The previous prime is 500890993. The next prime is 500891063. The reversal of 500891040 is 40198005.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 500890995 and 500891013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504945 + ... + 505935.

It is an arithmetic number, because the mean of its divisors is an integer number (6634992).

Almost surely, 2^500891040 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 500891040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955438848).

500891040 is an abundant number, since it is smaller than the sum of its proper divisors (1409986656).

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

500891040 is a wasteful number, since it uses less digits than its factorization.

500891040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 500891040 is about 22380.5951663489. The cubic root of 500891040 is about 794.1717254676.

The spelling of 500891040 in words is "five hundred million, eight hundred ninety-one thousand, forty".