3156450456720 has 160 divisors (see below), whose sum is σ = 10780230985344. Its totient is φ = 757623808000.

The previous prime is 3156450456689. The next prime is 3156450456721. The reversal of 3156450456720 is 276540546513.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3156450456720.

It is not an unprimeable number, because it can be changed into a prime (3156450456721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5652297 + ... + 6185576.

Almost surely, 2^{3156450456720} is an apocalyptic number.

3156450456720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3156450456720 is an abundant number, since it is smaller than the sum of its proper divisors (7623780528624).

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

3156450456720 is a wasteful number, since it uses less digits than its factorization.

3156450456720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11838001 (or 11837995 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 3156450456720 in words is "three trillion, one hundred fifty-six billion, four hundred fifty million, four hundred fifty-six thousand, seven hundred twenty".