1421682022540 has 36 divisors (see below), whose sum is σ = 3232854453024. Its totient is φ = 524928745536.

The previous prime is 1421682022487. The next prime is 1421682022543. The reversal of 1421682022540 is 452202861241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421682022540.

It is not an unprimeable number, because it can be changed into a prime (1421682022543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210304612 + ... + 210311371.

It is an arithmetic number, because the mean of its divisors is an integer number (89801512584).

Almost surely, 2^{1421682022540} is an apocalyptic number.

1421682022540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421682022540 is an abundant number, since it is smaller than the sum of its proper divisors (1811172430484).

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

1421682022540 is a wasteful number, since it uses less digits than its factorization.

1421682022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420616018 (or 420616003 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

Adding to 1421682022540 its reverse (452202861241), we get a palindrome (1873884883781).

The spelling of 1421682022540 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-two million, twenty-two thousand, five hundred forty".