284369006640 has 80 divisors (see below), whose sum is σ = 881595145728. Its totient is φ = 75827328768.

The previous prime is 284369006633. The next prime is 284369006657. The reversal of 284369006640 is 46600963482.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 284369006640.

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, 8134639 + ... + 8169521.

Almost surely, 2^284369006640 is an apocalyptic number.

284369006640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284369006640 is an abundant number, since it is smaller than the sum of its proper divisors (597226139088).

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

284369006640 is a wasteful number, since it uses less digits than its factorization.

284369006640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68866 (or 68860 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 284369006640 in words is "two hundred eighty-four billion, three hundred sixty-nine million, six thousand, six hundred forty".