4001128226542 has 8 divisors (see below), whose sum is σ = 6001701447600. Its totient is φ = 2000561077344.

The previous prime is 4001128226509. The next prime is 4001128226551. The reversal of 4001128226542 is 2456228211004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4001128226542² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899334 + ... + 2968342.

It is an arithmetic number, because the mean of its divisors is an integer number (750212680950).

Almost surely, 2^{4001128226542} is an apocalyptic number.

4001128226542 is a deficient number, since it is larger than the sum of its proper divisors (2000573221058).

4001128226542 is a wasteful number, since it uses less digits than its factorization.

4001128226542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035930.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 4001128226542 in words is "four trillion, one billion, one hundred twenty-eight million, two hundred twenty-six thousand, five hundred forty-two".