1559420190720 has 2160 divisors, whose sum is σ = 6979981252608. Its totient is φ = 326786088960.

The previous prime is 1559420190719. The next prime is 1559420190721. The reversal of 1559420190720 is 270910249551.

1559420190720 is a `hidden beast` number, since 1 + 5 + 594 + 20 + 19 + 0 + 7 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1559420190719) and next prime (1559420190721).

It is a tau number, because it is divible by the number of its divisors (2160).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1559420190721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50303877105 + ... + 50303877135.

Almost surely, 2^{1559420190720} is an apocalyptic number.

1559420190720 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 1559420190720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3489990626304).

1559420190720 is an abundant number, since it is smaller than the sum of its proper divisors (5420561061888).

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

1559420190720 is an frugal number, since it uses more digits than its factorization.

1559420190720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 1559420190720 in words is "one trillion, five hundred fifty-nine billion, four hundred twenty million, one hundred ninety thousand, seven hundred twenty".