497608560 has 120 divisors (see below), whose sum is σ = 1716393120. Its totient is φ = 129102336.

The previous prime is 497608549. The next prime is 497608567. The reversal of 497608560 is 65806794.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×497608560² = 495228557970547200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497608567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17301 + ... + 35979.

It is an arithmetic number, because the mean of its divisors is an integer number (14303276).

Almost surely, 2^497608560 is an apocalyptic number.

497608560 is a gapful number since it is divisible by the number (40) 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 497608560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858196560).

497608560 is an abundant number, since it is smaller than the sum of its proper divisors (1218784560).

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

497608560 is a wasteful number, since it uses less digits than its factorization.

497608560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18735 (or 18726 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 497608560 is about 22307.1414573898. The cubic root of 497608560 is about 792.4331117440.

The spelling of 497608560 in words is "four hundred ninety-seven million, six hundred eight thousand, five hundred sixty".