495349140 has 144 divisors (see below), whose sum is σ = 1638778176. Its totient is φ = 110822400.

The previous prime is 495349139. The next prime is 495349163. The reversal of 495349140 is 41943594.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 109320 + ... + 113760.

It is an arithmetic number, because the mean of its divisors is an integer number (11380404).

Almost surely, 2^495349140 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 495349140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819389088).

495349140 is an abundant number, since it is smaller than the sum of its proper divisors (1143429036).

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

495349140 is a wasteful number, since it uses less digits than its factorization.

495349140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 495349140 is about 22256.4404162031. The cubic root of 495349140 is about 791.2319293383.

The spelling of 495349140 in words is "four hundred ninety-five million, three hundred forty-nine thousand, one hundred forty".