4000257358448 has 80 divisors (see below), whose sum is σ = 9009921453120. Its totient is φ = 1705103296512.

The previous prime is 4000257358397. The next prime is 4000257358451. The reversal of 4000257358448 is 8448537520004.

It is a junction number, because it is equal to n+sod(n) for n = 4000257358396 and 4000257358405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14278061 + ... + 14555532.

It is an arithmetic number, because the mean of its divisors is an integer number (112624018164).

Almost surely, 2^{4000257358448} is an apocalyptic number.

It is an amenable number.

4000257358448 is an abundant number, since it is smaller than the sum of its proper divisors (5009664094672).

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

4000257358448 is a wasteful number, since it uses less digits than its factorization.

4000257358448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28833666 (or 28833660 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 4000257358448 in words is "four trillion, two hundred fifty-seven million, three hundred fifty-eight thousand, four hundred forty-eight".