492707440 has 20 divisors (see below), whose sum is σ = 1145544984. Its totient is φ = 197082944.

The previous prime is 492707399. The next prime is 492707443. The reversal of 492707440 is 44707294.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 492707440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492707443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079342 + ... + 3079501.

Almost surely, 2^492707440 is an apocalyptic number.

492707440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492707440 is an abundant number, since it is smaller than the sum of its proper divisors (652837544).

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

492707440 is a wasteful number, since it uses less digits than its factorization.

492707440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158856 (or 6158850 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 492707440 is about 22197.0142136279. The cubic root of 492707440 is about 789.8228732839.

The spelling of 492707440 in words is "four hundred ninety-two million, seven hundred seven thousand, four hundred forty".