492774156 has 72 divisors (see below), whose sum is σ = 1426457760. Its totient is φ = 140507136.

The previous prime is 492774131. The next prime is 492774157. The reversal of 492774156 is 651477294.

492774156 is a `hidden beast` number, since 492 + 7 + 7 + 4 + 156 = 666.

It is not an unprimeable number, because it can be changed into a prime (492774157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143710 + ... + 147098.

Almost surely, 2^492774156 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 492774156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713228880).

492774156 is an abundant number, since it is smaller than the sum of its proper divisors (933683604).

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

492774156 is a wasteful number, since it uses less digits than its factorization.

492774156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983 (or 3978 counting only the distinct ones).

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

The square root of 492774156 is about 22198.5169774920. The cubic root of 492774156 is about 789.8585208375.

The spelling of 492774156 in words is "four hundred ninety-two million, seven hundred seventy-four thousand, one hundred fifty-six".