1478190492 has 96 divisors (see below), whose sum is σ = 3918620160. Its totient is φ = 481766400.

The previous prime is 1478190479. The next prime is 1478190499. The reversal of 1478190492 is 2940918741.

It is a happy number.

1478190492 is a `hidden beast` number, since 1 + 4 + 78 + 1 + 90 + 492 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478190499) 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, 922492 + ... + 924092.

It is an arithmetic number, because the mean of its divisors is an integer number (40818960).

Almost surely, 2^1478190492 is an apocalyptic number.

1478190492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478190492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959310080).

1478190492 is an abundant number, since it is smaller than the sum of its proper divisors (2440429668).

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

1478190492 is a wasteful number, since it uses less digits than its factorization.

1478190492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1478190492 is about 38447.2429700752. The cubic root of 1478190492 is about 1139.1392116976.

The spelling of 1478190492 in words is "one billion, four hundred seventy-eight million, one hundred ninety thousand, four hundred ninety-two".