1478266064 has 20 divisors (see below), whose sum is σ = 3124517280. Its totient is φ = 671939040.

The previous prime is 1478266061. The next prime is 1478266067. The reversal of 1478266064 is 4606628741.

It is an interprime number because it is at equal distance from previous prime (1478266061) and next prime (1478266067).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478266061) 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, 4199444 + ... + 4199795.

It is an arithmetic number, because the mean of its divisors is an integer number (156225864).

Almost surely, 2^1478266064 is an apocalyptic number.

It is an amenable number.

1478266064 is an abundant number, since it is smaller than the sum of its proper divisors (1646251216).

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

1478266064 is a wasteful number, since it uses less digits than its factorization.

1478266064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399258 (or 8399252 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 1478266064 is about 38448.2257588045. The cubic root of 1478266064 is about 1139.1586240719.

The spelling of 1478266064 in words is "one billion, four hundred seventy-eight million, two hundred sixty-six thousand, sixty-four".