1403131412440 has 32 divisors (see below), whose sum is σ = 3230465348880. Its totient is φ = 548200179072.

The previous prime is 1403131412413. The next prime is 1403131412443. The reversal of 1403131412440 is 442141313041.

It is a junction number, because it is equal to n+sod(n) for n = 1403131412399 and 1403131412408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403131412443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407885319 + ... + 407888758.

Almost surely, 2^{1403131412440} is an apocalyptic number.

1403131412440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403131412440 is an abundant number, since it is smaller than the sum of its proper divisors (1827333936440).

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

1403131412440 is a wasteful number, since it uses less digits than its factorization.

1403131412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815774131 (or 815774127 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1403131412440 its reverse (442141313041), we get a palindrome (1845272725481).

The spelling of 1403131412440 in words is "one trillion, four hundred three billion, one hundred thirty-one million, four hundred twelve thousand, four hundred forty".