495612378 has 64 divisors (see below), whose sum is σ = 1199376000. Its totient is φ = 151103232.

The previous prime is 495612329. The next prime is 495612379. The reversal of 495612378 is 873216594.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (495612379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21426 + ... + 38082.

It is an arithmetic number, because the mean of its divisors is an integer number (18740250).

Almost surely, 2^495612378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495612378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599688000).

495612378 is an abundant number, since it is smaller than the sum of its proper divisors (703763622).

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

495612378 is a wasteful number, since it uses less digits than its factorization.

495612378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16716 (or 16710 counting only the distinct ones).

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

The square root of 495612378 is about 22262.3533796407. The cubic root of 495612378 is about 791.3720631077.

The spelling of 495612378 in words is "four hundred ninety-five million, six hundred twelve thousand, three hundred seventy-eight".