2987704440 has 768 divisors, whose sum is σ = 12720758400. Its totient is φ = 627056640.

The previous prime is 2987704411. The next prime is 2987704477. The reversal of 2987704440 is 444077892.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 72870820 + ... + 72870860.

Almost surely, 2^2987704440 is an apocalyptic number.

2987704440 is a gapful number since it is divisible by the number (20) 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 2987704440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6360379200).

2987704440 is an abundant number, since it is smaller than the sum of its proper divisors (9733053960).

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

2987704440 is a wasteful number, since it uses less digits than its factorization.

2987704440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2987704440 is about 54659.8979142845. The cubic root of 2987704440 is about 1440.2765094012.

The spelling of 2987704440 in words is "two billion, nine hundred eighty-seven million, seven hundred four thousand, four hundred forty".