43402143042 has 24 divisors (see below), whose sum is σ = 98987344560. Its totient is φ = 13705939800.

The previous prime is 43402143017. The next prime is 43402143053. The reversal of 43402143042 is 24034120434.

It is a happy number.

43402143042 is a `hidden beast` number, since 4 + 340 + 2 + 14 + 304 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43402142997 and 43402143015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63453084 + ... + 63453767.

It is an arithmetic number, because the mean of its divisors is an integer number (4124472690).

Almost surely, 2^43402143042 is an apocalyptic number.

43402143042 is an abundant number, since it is smaller than the sum of its proper divisors (55585201518).

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

43402143042 is a wasteful number, since it uses less digits than its factorization.

43402143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126906878 (or 126906875 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43402143042 its reverse (24034120434), we get a palindrome (67436263476).

The spelling of 43402143042 in words is "forty-three billion, four hundred two million, one hundred forty-three thousand, forty-two".