288890141640 has 32 divisors (see below), whose sum is σ = 866670425280. Its totient is φ = 77037371072.

The previous prime is 288890141633. The next prime is 288890141713. The reversal of 288890141640 is 46141098882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203708804 + ... + 1203709043.

It is an arithmetic number, because the mean of its divisors is an integer number (27083450790).

Almost surely, 2^288890141640 is an apocalyptic number.

288890141640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288890141640 is an abundant number, since it is smaller than the sum of its proper divisors (577780283640).

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

288890141640 is a wasteful number, since it uses less digits than its factorization.

288890141640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407417861 (or 2407417857 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 288890141640 in words is "two hundred eighty-eight billion, eight hundred ninety million, one hundred forty-one thousand, six hundred forty".