1420241204540 has 36 divisors (see below), whose sum is σ = 3065293475496. Its totient is φ = 552742512192.

The previous prime is 1420241204519. The next prime is 1420241204561. The reversal of 1420241204540 is 454021420241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1420241204519) and next prime (1420241204561).

It is a super-2 number, since 2×1420241204540² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25908362 + ... + 25963121.

It is an arithmetic number, because the mean of its divisors is an integer number (85147040986).

Almost surely, 2^{1420241204540} is an apocalyptic number.

1420241204540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420241204540 is an abundant number, since it is smaller than the sum of its proper divisors (1645052270956).

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

1420241204540 is a wasteful number, since it uses less digits than its factorization.

1420241204540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51871566 (or 51871527 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 1420241204540 its reverse (454021420241), we get a palindrome (1874262624781).

The spelling of 1420241204540 in words is "one trillion, four hundred twenty billion, two hundred forty-one million, two hundred four thousand, five hundred forty".