1420594485840 has 480 divisors, whose sum is σ = 5133046464000. Its totient is φ = 350804213760.

The previous prime is 1420594485833. The next prime is 1420594485847. The reversal of 1420594485840 is 485844950241.

1420594485840 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 59 + 4 + 4 + 8 + 584 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1420594485833) and next prime (1420594485847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420594485847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 520553596 + ... + 520556324.

It is an arithmetic number, because the mean of its divisors is an integer number (10693846800).

Almost surely, 2^{1420594485840} is an apocalyptic number.

1420594485840 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 1420594485840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566523232000).

1420594485840 is an abundant number, since it is smaller than the sum of its proper divisors (3712451978160).

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

1420594485840 is a wasteful number, since it uses less digits than its factorization.

1420594485840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 1420594485840 in words is "one trillion, four hundred twenty billion, five hundred ninety-four million, four hundred eighty-five thousand, eight hundred forty".