492289740 has 72 divisors (see below), whose sum is σ = 1581128640. Its totient is φ = 123554304.

The previous prime is 492289727. The next prime is 492289741. The reversal of 492289740 is 47982294.

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

It is not an unprimeable number, because it can be changed into a prime (492289741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77380 + ... + 83499.

It is an arithmetic number, because the mean of its divisors is an integer number (21960120).

Almost surely, 2^492289740 is an apocalyptic number.

It is an amenable number.

492289740 is an abundant number, since it is smaller than the sum of its proper divisors (1088838900).

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

492289740 is a wasteful number, since it uses less digits than its factorization.

492289740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160911 (or 160906 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 492289740 is about 22187.6032955342. The cubic root of 492289740 is about 789.5996155183.

The spelling of 492289740 in words is "four hundred ninety-two million, two hundred eighty-nine thousand, seven hundred forty".