493758540 has 144 divisors (see below), whose sum is σ = 1730121120. Its totient is φ = 112650240.

The previous prime is 493758539. The next prime is 493758541. The reversal of 493758540 is 45857394.

It is an interprime number because it is at equal distance from previous prime (493758539) and next prime (493758541).

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

It is not an unprimeable number, because it can be changed into a prime (493758541) 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, 26326 + ... + 40994.

It is an arithmetic number, because the mean of its divisors is an integer number (12014730).

Almost surely, 2^493758540 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 493758540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865060560).

493758540 is an abundant number, since it is smaller than the sum of its proper divisors (1236362580).

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

493758540 is a wasteful number, since it uses less digits than its factorization.

493758540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712 (or 14707 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 493758540 is about 22220.6782074715. The cubic root of 493758540 is about 790.3841212689.

The spelling of 493758540 in words is "four hundred ninety-three million, seven hundred fifty-eight thousand, five hundred forty".