1478990688 has 96 divisors (see below), whose sum is σ = 4467052800. Its totient is φ = 419704320.

The previous prime is 1478990657. The next prime is 1478990717. The reversal of 1478990688 is 8860998741.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92743 + ... + 107513.

It is an arithmetic number, because the mean of its divisors is an integer number (46531800).

Almost surely, 2^1478990688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478990688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233526400).

1478990688 is an abundant number, since it is smaller than the sum of its proper divisors (2988062112).

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

1478990688 is a wasteful number, since it uses less digits than its factorization.

1478990688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940 (or 14932 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The square root of 1478990688 is about 38457.6479780030. The cubic root of 1478990688 is about 1139.3447265288.

The spelling of 1478990688 in words is "one billion, four hundred seventy-eight million, nine hundred ninety thousand, six hundred eighty-eight".