287648038740 has 48 divisors (see below), whose sum is σ = 847804749120. Its totient is φ = 72668977920.

The previous prime is 287648038679. The next prime is 287648038751. The reversal of 287648038740 is 47830846782.

287648038740 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126160281 + ... + 126162560.

It is an arithmetic number, because the mean of its divisors is an integer number (17662598940).

Almost surely, 2^287648038740 is an apocalyptic number.

287648038740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287648038740 is an abundant number, since it is smaller than the sum of its proper divisors (560156710380).

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

287648038740 is a wasteful number, since it uses less digits than its factorization.

287648038740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252322872 (or 252322870 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 287648038740 in words is "two hundred eighty-seven billion, six hundred forty-eight million, thirty-eight thousand, seven hundred forty".