1042988478840 has 1536 divisors, whose sum is σ = 4713624576000. Its totient is φ = 202399948800.

The previous prime is 1042988478823. The next prime is 1042988478877. The reversal of 1042988478840 is 488748892401.

1042988478840 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 9 + 88 + 478 + 84 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 523324884 + ... + 523326876.

It is an arithmetic number, because the mean of its divisors is an integer number (3068766000).

Almost surely, 2^{1042988478840} is an apocalyptic number.

1042988478840 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 1042988478840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356812288000).

1042988478840 is an abundant number, since it is smaller than the sum of its proper divisors (3670636097160).

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

1042988478840 is a wasteful number, since it uses less digits than its factorization.

1042988478840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 63.

The spelling of 1042988478840 in words is "one trillion, forty-two billion, nine hundred eighty-eight million, four hundred seventy-eight thousand, eight hundred forty".