4001238078232 has 32 divisors (see below), whose sum is σ = 7745291625600. Its totient is φ = 1935842976000.

The previous prime is 4001238078203. The next prime is 4001238078259. The reversal of 4001238078232 is 2328708321004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1013244 + ... + 3004852.

It is an arithmetic number, because the mean of its divisors is an integer number (242040363300).

Almost surely, 2^{4001238078232} is an apocalyptic number.

It is an amenable number.

4001238078232 is a deficient number, since it is larger than the sum of its proper divisors (3744053547368).

4001238078232 is a wasteful number, since it uses less digits than its factorization.

4001238078232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999747 (or 1999743 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 4001238078232 in words is "four trillion, one billion, two hundred thirty-eight million, seventy-eight thousand, two hundred thirty-two".