1421034244020 has 72 divisors (see below), whose sum is σ = 4314533769000. Its totient is φ = 378585258240.

The previous prime is 1421034243991. The next prime is 1421034244027. The reversal of 1421034244020 is 204424301241.

1421034244020 is a `hidden beast` number, since 1 + 4 + 210 + 3 + 4 + 2 + 440 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 257134183056 + 1163900060964 = 507084^2 + 1078842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421034244027) 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 23 ways as a sum of consecutive naturals, for example, 3529395 + ... + 3911354.

It is an arithmetic number, because the mean of its divisors is an integer number (59924080125).

Almost surely, 2^{1421034244020} is an apocalyptic number.

1421034244020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421034244020 is an abundant number, since it is smaller than the sum of its proper divisors (2893499524980).

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

1421034244020 is a wasteful number, since it uses less digits than its factorization.

1421034244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441825 (or 7441820 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1421034244020 its reverse (204424301241), we get a palindrome (1625458545261).

The spelling of 1421034244020 in words is "one trillion, four hundred twenty-one billion, thirty-four million, two hundred forty-four thousand, twenty".