1022047585040 has 80 divisors (see below), whose sum is σ = 2509370997120. Its totient is φ = 386056719360.

The previous prime is 1022047585033. The next prime is 1022047585061. The reversal of 1022047585040 is 405857402201.

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 (38).

It is a junction number, because it is equal to n+sod(n) for n = 1022047584985 and 1022047585003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608309 + ... + 1553748.

It is an arithmetic number, because the mean of its divisors is an integer number (31367137464).

Almost surely, 2^{1022047585040} is an apocalyptic number.

1022047585040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022047585040 is an abundant number, since it is smaller than the sum of its proper divisors (1487323412080).

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

1022047585040 is a wasteful number, since it uses less digits than its factorization.

1022047585040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162400 (or 2162394 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 1022047585040 in words is "one trillion, twenty-two billion, forty-seven million, five hundred eighty-five thousand, forty".