2724400143612 has 72 divisors (see below), whose sum is σ = 7883762062176. Its totient is φ = 777087350784.

The previous prime is 2724400143583. The next prime is 2724400143613. The reversal of 2724400143612 is 2163410044272.

2724400143612 is a `hidden beast` number, since 2 + 7 + 24 + 4 + 0 + 0 + 14 + 3 + 612 = 666.

It is a super-2 number, since 2×2724400143612² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724400143613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8966173 + ... + 9265044.

It is an arithmetic number, because the mean of its divisors is an integer number (109496695308).

Almost surely, 2^{2724400143612} is an apocalyptic number.

It is an amenable number.

2724400143612 is an abundant number, since it is smaller than the sum of its proper divisors (5159361918564).

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

2724400143612 is a wasteful number, since it uses less digits than its factorization.

2724400143612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231827 (or 18231822 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 2724400143612 its reverse (2163410044272), we get a palindrome (4887810187884).

The spelling of 2724400143612 in words is "two trillion, seven hundred twenty-four billion, four hundred million, one hundred forty-three thousand, six hundred twelve".