1478996736 has 144 divisors (see below), whose sum is σ = 4763533824. Its totient is φ = 397688832.

The previous prime is 1478996663. The next prime is 1478996741. The reversal of 1478996736 is 6376998741.

It is a self number, because there is not a number n which added to its sum of digits gives 1478996736.

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, 83301 + ... + 99483.

It is an arithmetic number, because the mean of its divisors is an integer number (33080096).

Almost surely, 2^1478996736 is an apocalyptic number.

1478996736 is a gapful number since it is divisible by the number (16) 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 1478996736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2381766912).

1478996736 is an abundant number, since it is smaller than the sum of its proper divisors (3284537088).

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

1478996736 is a wasteful number, since it uses less digits than its factorization.

1478996736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16226 (or 16212 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 1478996736 is about 38457.7266098765. The cubic root of 1478996736 is about 1139.3462795581.

The spelling of 1478996736 in words is "one billion, four hundred seventy-eight million, nine hundred ninety-six thousand, seven hundred thirty-six".