1042731836640 has 576 divisors, whose sum is σ = 3915097804800. Its totient is φ = 251150118912.

The previous prime is 1042731836623. The next prime is 1042731836659. The reversal of 1042731836640 is 466381372401.

1042731836640 is a `hidden beast` number, since 1 + 0 + 4 + 273 + 18 + 366 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 250714881 + ... + 250719039.

It is an arithmetic number, because the mean of its divisors is an integer number (6797044800).

Almost surely, 2^{1042731836640} is an apocalyptic number.

1042731836640 is a gapful number since it is divisible by the number (10) 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 1042731836640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957548902400).

1042731836640 is an abundant number, since it is smaller than the sum of its proper divisors (2872365968160).

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

1042731836640 is a wasteful number, since it uses less digits than its factorization.

1042731836640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 1042731836640 in words is "one trillion, forty-two billion, seven hundred thirty-one million, eight hundred thirty-six thousand, six hundred forty".