1987048044 has 96 divisors (see below), whose sum is σ = 5597849600. Its totient is φ = 607227840.

The previous prime is 1987048003. The next prime is 1987048061. The reversal of 1987048044 is 4408407891.

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, 47994 + ... + 79230.

Almost surely, 2^1987048044 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 1987048044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798924800).

1987048044 is an abundant number, since it is smaller than the sum of its proper divisors (3610801556).

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

1987048044 is a wasteful number, since it uses less digits than its factorization.

1987048044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31300 (or 31292 counting only the distinct ones).

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

The square root of 1987048044 is about 44576.3170753260. The cubic root of 1987048044 is about 1257.1954173543.

The spelling of 1987048044 in words is "one billion, nine hundred eighty-seven million, forty-eight thousand, forty-four".