312155263227480 has 64 divisors (see below), whose sum is σ = 937922190831360. Its totient is φ = 83111945647488.

The previous prime is 312155263227329. The next prime is 312155263227557. The reversal of 312155263227480 is 84722362551213.

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, 2022701892 + ... + 2022856211.

It is an arithmetic number, because the mean of its divisors is an integer number (14655034231740).

Almost surely, 2^{312155263227480} is an apocalyptic number.

312155263227480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312155263227480 is an abundant number, since it is smaller than the sum of its proper divisors (625766927603880).

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

312155263227480 is a wasteful number, since it uses less digits than its factorization.

312155263227480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045558760 (or 4045558756 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 312155263227480 in words is "three hundred twelve trillion, one hundred fifty-five billion, two hundred sixty-three million, two hundred twenty-seven thousand, four hundred eighty".