919455492 has 12 divisors (see below), whose sum is σ = 2145396176. Its totient is φ = 306485160.

The previous prime is 919455479. The next prime is 919455497. The reversal of 919455492 is 294554919.

919455492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (919455497) 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, 38310634 + ... + 38310657.

Almost surely, 2^919455492 is an apocalyptic number.

It is an amenable number.

919455492 is an abundant number, since it is smaller than the sum of its proper divisors (1225940684).

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

919455492 is a wasteful number, since it uses less digits than its factorization.

919455492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76621298 (or 76621296 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 919455492 is about 30322.5244991244. The cubic root of 919455492 is about 972.3969106718.

The spelling of 919455492 in words is "nine hundred nineteen million, four hundred fifty-five thousand, four hundred ninety-two".