1478786412 has 54 divisors (see below), whose sum is σ = 3671033548. Its totient is φ = 463222528.

The previous prime is 1478786399. The next prime is 1478786417. The reversal of 1478786412 is 2146878741.

It is not an unprimeable number, because it can be changed into a prime (1478786417) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2264278 + ... + 2264930.

Almost surely, 2^1478786412 is an apocalyptic number.

1478786412 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 1478786412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1835516774).

1478786412 is an abundant number, since it is smaller than the sum of its proper divisors (2192247136).

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

1478786412 is an equidigital number, since it uses as much as digits as its factorization.

1478786412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 675 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 1478786412 is about 38454.9920296442. The cubic root of 1478786412 is about 1139.2922692457.

Multiplying 1478786412 by its sum of digits (48), we get a square (70981747776 = 266424²).

Multiplying 1478786412 by its product of digits (602112), we get a square (890395044102144 = 29839488²).

It can be divided in two parts, 147878 and 6412, that added together give a triangular number (154290 = T₅₅₅).

The spelling of 1478786412 in words is "one billion, four hundred seventy-eight million, seven hundred eighty-six thousand, four hundred twelve".