1426984490880 has 896 divisors, whose sum is σ = 5548658220000. Its totient is φ = 348679323648.

The previous prime is 1426984490879. The next prime is 1426984490903. The reversal of 1426984490880 is 880944896241.

1426984490880 is a `hidden beast` number, since 1 + 4 + 2 + 69 + 8 + 4 + 490 + 8 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 903725931 + ... + 903727509.

Almost surely, 2^{1426984490880} is an apocalyptic number.

1426984490880 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 1426984490880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774329110000).

1426984490880 is an abundant number, since it is smaller than the sum of its proper divisors (4121673729120).

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

1426984490880 is a wasteful number, since it uses less digits than its factorization.

1426984490880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 1426984490880 in words is "one trillion, four hundred twenty-six billion, nine hundred eighty-four million, four hundred ninety thousand, eight hundred eighty".