1478461992 has 128 divisors (see below), whose sum is σ = 4430764800. Its totient is φ = 402167808.

The previous prime is 1478461961. The next prime is 1478461993. The reversal of 1478461992 is 2991648741.

1478461992 is a modest number, since divided by 61992 gives 14784 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1478461993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353578 + ... + 357734.

It is an arithmetic number, because the mean of its divisors is an integer number (34615350).

Almost surely, 2^1478461992 is an apocalyptic number.

1478461992 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 1478461992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2215382400).

1478461992 is an abundant number, since it is smaller than the sum of its proper divisors (2952302808).

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

1478461992 is a wasteful number, since it uses less digits than its factorization.

1478461992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275 (or 4271 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 1478461992 is about 38450.7736203057. The cubic root of 1478461992 is about 1139.2089495211.

The spelling of 1478461992 in words is "one billion, four hundred seventy-eight million, four hundred sixty-one thousand, nine hundred ninety-two".