287467474140 has 1152 divisors, whose sum is σ = 1222383052800. Its totient is φ = 52792197120.

The previous prime is 287467474117. The next prime is 287467474241. The reversal of 287467474140 is 41474764782.

287467474140 is a `hidden beast` number, since 2 + 8 + 74 + 67 + 474 + 1 + 40 = 666.

287467474140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 702854256 + ... + 702854664.

It is an arithmetic number, because the mean of its divisors is an integer number (1061096400).

Almost surely, 2^287467474140 is an apocalyptic number.

287467474140 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 287467474140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611191526400).

287467474140 is an abundant number, since it is smaller than the sum of its proper divisors (934915578660).

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

287467474140 is a wasteful number, since it uses less digits than its factorization.

287467474140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 54.

The spelling of 287467474140 in words is "two hundred eighty-seven billion, four hundred sixty-seven million, four hundred seventy-four thousand, one hundred forty".