738687146256 has 120 divisors (see below), whose sum is σ = 2082295790016. Its totient is φ = 244444780800.

The previous prime is 738687146227. The next prime is 738687146273. The reversal of 738687146256 is 652641786837.

It is a junction number, because it is equal to n+sod(n) for n = 738687146193 and 738687146202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37672551 + ... + 37692153.

Almost surely, 2^738687146256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 738687146256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041147895008).

738687146256 is an abundant number, since it is smaller than the sum of its proper divisors (1343608643760).

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

738687146256 is a wasteful number, since it uses less digits than its factorization.

738687146256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21501 (or 21492 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 738687146256 in words is "seven hundred thirty-eight billion, six hundred eighty-seven million, one hundred forty-six thousand, two hundred fifty-six".