495691380 has 96 divisors (see below), whose sum is σ = 1623350400. Its totient is φ = 125224704.

The previous prime is 495691379. The next prime is 495691409. The reversal of 495691380 is 83196594.

It is a happy number.

495691380 is a `hidden beast` number, since 4 + 9 + 569 + 1 + 3 + 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, 13897 + ... + 34416.

It is an arithmetic number, because the mean of its divisors is an integer number (16909900).

Almost surely, 2^495691380 is an apocalyptic number.

It is an amenable number.

495691380 is an abundant number, since it is smaller than the sum of its proper divisors (1127659020).

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

495691380 is a wasteful number, since it uses less digits than its factorization.

495691380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48350 (or 48342 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 495691380 is about 22264.1276496520. The cubic root of 495691380 is about 791.4141098475.

The spelling of 495691380 in words is "four hundred ninety-five million, six hundred ninety-one thousand, three hundred eighty".