4000523458785 has 128 divisors (see below), whose sum is σ = 7457085849600. Its totient is φ = 1793610314496.

The previous prime is 4000523458747. The next prime is 4000523458793. The reversal of 4000523458785 is 5878543250004.

It is not a de Polignac number, because 4000523458785 - 2³⁶ = 3931803982049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1866785424 + ... + 1866787566.

It is an arithmetic number, because the mean of its divisors is an integer number (58258483200).

Almost surely, 2^{4000523458785} is an apocalyptic number.

It is an amenable number.

4000523458785 is a deficient number, since it is larger than the sum of its proper divisors (3456562390815).

4000523458785 is a wasteful number, since it uses less digits than its factorization.

4000523458785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 4000523458785 in words is "four trillion, five hundred twenty-three million, four hundred fifty-eight thousand, seven hundred eighty-five".