1431668070040 has 64 divisors (see below), whose sum is σ = 3549717309600. Its totient is φ = 516322501632.

The previous prime is 1431668070017. The next prime is 1431668070061. The reversal of 1431668070040 is 400708661341.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1431668069975 and 1431668070002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 31991685 + ... + 32036404.

Almost surely, 2^{1431668070040} is an apocalyptic number.

1431668070040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431668070040 is an abundant number, since it is smaller than the sum of its proper divisors (2118049239560).

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

1431668070040 is a wasteful number, since it uses less digits than its factorization.

1431668070040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64028156 (or 64028152 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1431668070040 in words is "one trillion, four hundred thirty-one billion, six hundred sixty-eight million, seventy thousand, forty".