43457431406 has 16 divisors (see below), whose sum is σ = 68429422080. Its totient is φ = 20671384440.

The previous prime is 43457431403. The next prime is 43457431411. The reversal of 43457431406 is 60413475434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43457431403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936396 + ... + 5943711.

It is an arithmetic number, because the mean of its divisors is an integer number (4276838880).

Almost surely, 2^43457431406 is an apocalyptic number.

43457431406 is a deficient number, since it is larger than the sum of its proper divisors (24971990674).

43457431406 is a wasteful number, since it uses less digits than its factorization.

43457431406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880199.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 43457431406 in words is "forty-three billion, four hundred fifty-seven million, four hundred thirty-one thousand, four hundred six".