1431994929552 has 240 divisors, whose sum is σ = 4736753131968. Its totient is φ = 398913822720.

The previous prime is 1431994929551. The next prime is 1431994929571. The reversal of 1431994929552 is 2559294991341.

1431994929552 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 9 + 9 + 492 + 95 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1431994929552.

It is not an unprimeable number, because it can be changed into a prime (1431994929551) 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 47 ways as a sum of consecutive naturals, for example, 539548 + ... + 1776260.

Almost surely, 2^{1431994929552} is an apocalyptic number.

1431994929552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431994929552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368376565984).

1431994929552 is an abundant number, since it is smaller than the sum of its proper divisors (3304758202416).

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

1431994929552 is a wasteful number, since it uses less digits than its factorization.

1431994929552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236798 (or 1236789 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 1431994929552 in words is "one trillion, four hundred thirty-one billion, nine hundred ninety-four million, nine hundred twenty-nine thousand, five hundred fifty-two".