495237780 has 96 divisors (see below), whose sum is σ = 1562561280. Its totient is φ = 130193280.

The previous prime is 495237779. The next prime is 495237791. The reversal of 495237780 is 87732594.

495237780 is a `hidden beast` number, since 49 + 523 + 7 + 7 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31882 + ... + 44798.

It is an arithmetic number, because the mean of its divisors is an integer number (16276680).

Almost surely, 2^495237780 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 495237780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781280640).

495237780 is an abundant number, since it is smaller than the sum of its proper divisors (1067323500).

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

495237780 is a wasteful number, since it uses less digits than its factorization.

495237780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13006 (or 12998 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 495237780 is about 22253.9385278202. The cubic root of 495237780 is about 791.1726323131.

The spelling of 495237780 in words is "four hundred ninety-five million, two hundred thirty-seven thousand, seven hundred eighty".