6487799040 has 432 divisors, whose sum is σ = 23845925376. Its totient is φ = 1625702400.

The previous prime is 6487798997. The next prime is 6487799069. The reversal of 6487799040 is 409977846.

It is a happy number.

6487799040 is a `hidden beast` number, since 6 + 487 + 79 + 90 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13213195 + ... + 13213685.

Almost surely, 2^6487799040 is an apocalyptic number.

6487799040 is a gapful number since it is divisible by the number (60) 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 6487799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11922962688).

6487799040 is an abundant number, since it is smaller than the sum of its proper divisors (17358126336).

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

6487799040 is a wasteful number, since it uses less digits than its factorization.

6487799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 6487799040 is about 80546.8747997090. The cubic root of 6487799040 is about 1865.0871490972.

The spelling of 6487799040 in words is "six billion, four hundred eighty-seven million, seven hundred ninety-nine thousand, forty".