1420120315456 has 56 divisors (see below), whose sum is σ = 2841695364096. Its totient is φ = 704108321280.

The previous prime is 1420120315441. The next prime is 1420120315459. The reversal of 1420120315456 is 6545130210241.

It is not an unprimeable number, because it can be changed into a prime (1420120315459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16187871 + ... + 16275361.

Almost surely, 2^{1420120315456} is an apocalyptic number.

1420120315456 is a gapful number since it is divisible by the number (16) 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 1420120315456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420847682048).

1420120315456 is an abundant number, since it is smaller than the sum of its proper divisors (1421575048640).

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

1420120315456 is a wasteful number, since it uses less digits than its factorization.

1420120315456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89627 (or 89617 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1420120315456 its reverse (6545130210241), we get a palindrome (7965250525697).

The spelling of 1420120315456 in words is "one trillion, four hundred twenty billion, one hundred twenty million, three hundred fifteen thousand, four hundred fifty-six".