1401402344220 has 72 divisors (see below), whose sum is σ = 4304729607360. Its totient is φ = 368976816000.

The previous prime is 1401402344207. The next prime is 1401402344227. The reversal of 1401402344220 is 224432041041.

1401402344220 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 4 + 0 + 234 + 422 + 0 = 666.

It is a super-2 number, since 2×1401402344220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401402344227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49261531 + ... + 49289970.

Almost surely, 2^{1401402344220} is an apocalyptic number.

1401402344220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401402344220 is an abundant number, since it is smaller than the sum of its proper divisors (2903327263140).

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

1401402344220 is a wasteful number, since it uses less digits than its factorization.

1401402344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98551595 (or 98551590 counting only the distinct ones).

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

Adding to 1401402344220 its reverse (224432041041), we get a palindrome (1625834385261).

The spelling of 1401402344220 in words is "one trillion, four hundred one billion, four hundred two million, three hundred forty-four thousand, two hundred twenty".