287062952240 has 40 divisors (see below), whose sum is σ = 667470755328. Its totient is φ = 114816683520.

The previous prime is 287062952219. The next prime is 287062952243. The reversal of 287062952240 is 42259260782.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (287062952243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016849 + ... + 1268111.

Almost surely, 2^287062952240 is an apocalyptic number.

287062952240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287062952240 is an abundant number, since it is smaller than the sum of its proper divisors (380407803088).

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

287062952240 is a wasteful number, since it uses less digits than its factorization.

287062952240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265557 (or 265551 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 287062952240 in words is "two hundred eighty-seven billion, sixty-two million, nine hundred fifty-two thousand, two hundred forty".