1401431042240 has 56 divisors (see below), whose sum is σ = 3337506720960. Its totient is φ = 560513783808.

The previous prime is 1401431042201. The next prime is 1401431042293. The reversal of 1401431042240 is 422401341041.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2901929 + ... + 3350231.

Almost surely, 2^{1401431042240} is an apocalyptic number.

1401431042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401431042240 is an abundant number, since it is smaller than the sum of its proper divisors (1936075678720).

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

1401431042240 is an equidigital number, since it uses as much as digits as its factorization.

1401431042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458089 (or 458079 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1401431042240 its reverse (422401341041), we get a palindrome (1823832383281).

The spelling of 1401431042240 in words is "one trillion, four hundred one billion, four hundred thirty-one million, forty-two thousand, two hundred forty".