1487444904 has 128 divisors (see below), whose sum is σ = 4617648000. Its totient is φ = 439718400.

The previous prime is 1487444897. The next prime is 1487444921. The reversal of 1487444904 is 4094447841.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1487444904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89782 + ... + 105050.

It is an arithmetic number, because the mean of its divisors is an integer number (36075375).

Almost surely, 2^1487444904 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 1487444904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308824000).

1487444904 is an abundant number, since it is smaller than the sum of its proper divisors (3130203096).

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

1487444904 is a wasteful number, since it uses less digits than its factorization.

1487444904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336 (or 15326 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 1487444904 is about 38567.4072760926. The cubic root of 1487444904 is about 1141.5115130219.

The spelling of 1487444904 in words is "one billion, four hundred eighty-seven million, four hundred forty-four thousand, nine hundred four".