4688987940 has 480 divisors, whose sum is σ = 19179224064. Its totient is φ = 930631680.

The previous prime is 4688987917. The next prime is 4688987951. The reversal of 4688987940 is 497898864.

4688987940 is a `hidden beast` number, since 468 + 8 + 9 + 87 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2505205 + ... + 2507075.

Almost surely, 2^4688987940 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 4688987940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9589612032).

4688987940 is an abundant number, since it is smaller than the sum of its proper divisors (14490236124).

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

4688987940 is a wasteful number, since it uses less digits than its factorization.

4688987940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 4688987940 is about 68476.1852033245. The cubic root of 4688987940 is about 1673.7594366611.

The spelling of 4688987940 in words is "four billion, six hundred eighty-eight million, nine hundred eighty-seven thousand, nine hundred forty".