1048974651648 has 2304 divisors, whose sum is σ = 4356172800000. Its totient is φ = 245806202880.

The previous prime is 1048974651643. The next prime is 1048974651707. The reversal of 1048974651648 is 8461564798401.

1048974651648 is a `hidden beast` number, since 1 + 0 + 4 + 8 + 9 + 7 + 465 + 164 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a super-2 number, since 2×1048974651648² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1048974651643) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 14369515740 + ... + 14369515812.

It is an arithmetic number, because the mean of its divisors is an integer number (1890700000).

Almost surely, 2^{1048974651648} is an apocalyptic number.

1048974651648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048974651648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178086400000).

1048974651648 is an abundant number, since it is smaller than the sum of its proper divisors (3307198148352).

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

1048974651648 is a wasteful number, since it uses less digits than its factorization.

1048974651648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 1048974651648 in words is "one trillion, forty-eight billion, nine hundred seventy-four million, six hundred fifty-one thousand, six hundred forty-eight".