1420581117430 has 64 divisors (see below), whose sum is σ = 2739974750208. Its totient is φ = 529071903360.

The previous prime is 1420581117409. The next prime is 1420581117433. The reversal of 1420581117430 is 347111850241.

It is a super-2 number, since 2×1420581117430² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1420581117430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420581117433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1089325 + ... + 2006935.

It is an arithmetic number, because the mean of its divisors is an integer number (42812105472).

Almost surely, 2^{1420581117430} is an apocalyptic number.

1420581117430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420581117430 is a deficient number, since it is larger than the sum of its proper divisors (1319393632778).

1420581117430 is a wasteful number, since it uses less digits than its factorization.

1420581117430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917821.

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 1420581117430 its reverse (347111850241), we get a palindrome (1767692967671).

The spelling of 1420581117430 in words is "one trillion, four hundred twenty billion, five hundred eighty-one million, one hundred seventeen thousand, four hundred thirty".