43211321040342 has 64 divisors (see below), whose sum is σ = 107043821466624. Its totient is φ = 11323803853440.

The previous prime is 43211321040341. The next prime is 43211321040409. The reversal of 43211321040342 is 24304012311234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211321040341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251957634 + ... + 252129077.

It is an arithmetic number, because the mean of its divisors is an integer number (1672559710416).

Almost surely, 2^{43211321040342} is an apocalyptic number.

43211321040342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43211321040342 is an abundant number, since it is smaller than the sum of its proper divisors (63832500426282).

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

43211321040342 is a wasteful number, since it uses less digits than its factorization.

43211321040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504086893.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 43211321040342 its reverse (24304012311234), we get a palindrome (67515333351576).

The spelling of 43211321040342 in words is "forty-three trillion, two hundred eleven billion, three hundred twenty-one million, forty thousand, three hundred forty-two".