1478618064 has 360 divisors, whose sum is σ = 5402779200. Its totient is φ = 383201280.

The previous prime is 1478618059. The next prime is 1478618107. The reversal of 1478618064 is 4608168741.

It is a super-2 number, since 2×1478618064² = 4372622758374216192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3292912 + ... + 3293360.

It is an arithmetic number, because the mean of its divisors is an integer number (15007720).

Almost surely, 2^1478618064 is an apocalyptic number.

1478618064 is a gapful number since it is divisible by the number (14) 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 1478618064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701389600).

1478618064 is an abundant number, since it is smaller than the sum of its proper divisors (3924161136).

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

1478618064 is a wasteful number, since it uses less digits than its factorization.

1478618064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1478618064 is about 38452.8030707776. The cubic root of 1478618064 is about 1139.2490345022.

The spelling of 1478618064 in words is "one billion, four hundred seventy-eight million, six hundred eighteen thousand, sixty-four".