1420262266440 has 32 divisors (see below), whose sum is σ = 4260786799680. Its totient is φ = 378736604352.

The previous prime is 1420262266421. The next prime is 1420262266441. The reversal of 1420262266440 is 446622620241.

It is not an unprimeable number, because it can be changed into a prime (1420262266441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917759324 + ... + 5917759563.

It is an arithmetic number, because the mean of its divisors is an integer number (133149587490).

Almost surely, 2^{1420262266440} is an apocalyptic number.

1420262266440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420262266440 is an abundant number, since it is smaller than the sum of its proper divisors (2840524533240).

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

1420262266440 is a wasteful number, since it uses less digits than its factorization.

1420262266440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835518901 (or 11835518897 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 1420262266440 its reverse (446622620241), we get a palindrome (1866884886681).

The spelling of 1420262266440 in words is "one trillion, four hundred twenty billion, two hundred sixty-two million, two hundred sixty-six thousand, four hundred forty".