1047493218240 has 896 divisors, whose sum is σ = 4391675443200. Its totient is φ = 232915709952.

The previous prime is 1047493218143. The next prime is 1047493218377. The reversal of 1047493218240 is 428123947401.

1047493218240 is a `hidden beast` number, since 1 + 0 + 47 + 49 + 321 + 8 + 240 = 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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181255671 + ... + 181261449.

Almost surely, 2^{1047493218240} is an apocalyptic number.

1047493218240 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 1047493218240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195837721600).

1047493218240 is an abundant number, since it is smaller than the sum of its proper divisors (3344182224960).

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

1047493218240 is an frugal number, since it uses more digits than its factorization.

1047493218240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1047493218240 in words is "one trillion, forty-seven billion, four hundred ninety-three million, two hundred eighteen thousand, two hundred forty".