1061269098840 has 320 divisors, whose sum is σ = 3791980764000. Its totient is φ = 265453977600.

The previous prime is 1061269098823. The next prime is 1061269098863. The reversal of 1061269098840 is 488909621601.

1061269098840 is a `hidden beast` number, since 10 + 612 + 6 + 9 + 0 + 9 + 8 + 8 + 4 + 0 = 666.

It is a super-2 number, since 2×1061269098840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6132216 + ... + 6302904.

Almost surely, 2^{1061269098840} is an apocalyptic number.

1061269098840 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 1061269098840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895990382000).

1061269098840 is an abundant number, since it is smaller than the sum of its proper divisors (2730711665160).

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

1061269098840 is a wasteful number, since it uses less digits than its factorization.

1061269098840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170832 (or 170819 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 1061269098840 in words is "one trillion, sixty-one billion, two hundred sixty-nine million, ninety-eight thousand, eight hundred forty".