431432335451340 has 72 divisors (see below), whose sum is σ = 1308906199255200. Its totient is φ = 115028568716544.

The previous prime is 431432335451339. The next prime is 431432335451389. The reversal of 431432335451340 is 43154533234134.

431432335451340 is a `hidden beast` number, since 4 + 3 + 1 + 4 + 32 + 33 + 545 + 1 + 3 + 40 = 666.

It is a super-2 number, since 2×431432335451340² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207861040 + ... + 209926359.

Almost surely, 2^{431432335451340} is an apocalyptic number.

It is an amenable number.

431432335451340 is an abundant number, since it is smaller than the sum of its proper divisors (877473863803860).

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

431432335451340 is a wasteful number, since it uses less digits than its factorization.

431432335451340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417793151 (or 417793146 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 431432335451340 its reverse (43154533234134), we get a palindrome (474586868685474).

The spelling of 431432335451340 in words is "four hundred thirty-one trillion, four hundred thirty-two billion, three hundred thirty-five million, four hundred fifty-one thousand, three hundred forty".