4156431318032 has 20 divisors (see below), whose sum is σ = 9203526490176. Its totient is φ = 1781327707680.

The previous prime is 4156431318029. The next prime is 4156431318097. The reversal of 4156431318032 is 2308131346514.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18555496844 + ... + 18555497067.

Almost surely, 2^{4156431318032} is an apocalyptic number.

It is an amenable number.

4156431318032 is an abundant number, since it is smaller than the sum of its proper divisors (5047095172144).

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

4156431318032 is a wasteful number, since it uses less digits than its factorization.

4156431318032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37110993926 (or 37110993920 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 4156431318032 in words is "four trillion, one hundred fifty-six billion, four hundred thirty-one million, three hundred eighteen thousand, thirty-two".