1401414024440 has 32 divisors (see below), whose sum is σ = 3153356624160. Its totient is φ = 560534486400.

The previous prime is 1401414024427. The next prime is 1401414024469. The reversal of 1401414024440 is 444204141041.

It is a happy number.

It is a super-2 number, since 2×1401414024440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236276 + ... + 1690755.

It is an arithmetic number, because the mean of its divisors is an integer number (98542394505).

Almost surely, 2^{1401414024440} is an apocalyptic number.

1401414024440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401414024440 is an abundant number, since it is smaller than the sum of its proper divisors (1751942599720).

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

1401414024440 is a wasteful number, since it uses less digits than its factorization.

1401414024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945223 (or 1945219 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 1401414024440 its reverse (444204141041), we get a palindrome (1845618165481).

The spelling of 1401414024440 in words is "one trillion, four hundred one billion, four hundred fourteen million, twenty-four thousand, four hundred forty".