982774661640 has 64 divisors (see below), whose sum is σ = 3043431221760. Its totient is φ = 253619266560.

The previous prime is 982774661623. The next prime is 982774661747. The reversal of 982774661640 is 46166477289.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 132089649 + ... + 132097088.

It is an arithmetic number, because the mean of its divisors is an integer number (47553612840).

Almost surely, 2^982774661640 is an apocalyptic number.

It is an amenable number.

982774661640 is an abundant number, since it is smaller than the sum of its proper divisors (2060656560120).

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

982774661640 is a wasteful number, since it uses less digits than its factorization.

982774661640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264186782 (or 264186778 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 982774661640 in words is "nine hundred eighty-two billion, seven hundred seventy-four million, six hundred sixty-one thousand, six hundred forty".