343040431554 has 48 divisors (see below), whose sum is σ = 772106235264. Its totient is φ = 109986609600.

The previous prime is 343040431553. The next prime is 343040431561. The reversal of 343040431554 is 455134040343.

343040431554 is a `hidden beast` number, since 3 + 4 + 30 + 40 + 4 + 31 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (343040431553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3221014 + ... + 3325809.

It is an arithmetic number, because the mean of its divisors is an integer number (16085546568).

Almost surely, 2^343040431554 is an apocalyptic number.

343040431554 is an abundant number, since it is smaller than the sum of its proper divisors (429065803710).

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

343040431554 is a wasteful number, since it uses less digits than its factorization.

343040431554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546943 (or 6546940 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 343040431554 its reverse (455134040343), we get a palindrome (798174471897).

The spelling of 343040431554 in words is "three hundred forty-three billion, forty million, four hundred thirty-one thousand, five hundred fifty-four".