2154442743472 has 160 divisors (see below), whose sum is σ = 4374639648000. Its totient is φ = 1026973209600.

The previous prime is 2154442743469. The next prime is 2154442743487. The reversal of 2154442743472 is 2743472444512.

It is a super-2 number, since 2×2154442743472² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4317520279 + ... + 4317520777.

It is an arithmetic number, because the mean of its divisors is an integer number (27341497800).

Almost surely, 2^{2154442743472} is an apocalyptic number.

It is an amenable number.

2154442743472 is an abundant number, since it is smaller than the sum of its proper divisors (2220196904528).

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

2154442743472 is a wasteful number, since it uses less digits than its factorization.

2154442743472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1245 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 49.

The spelling of 2154442743472 in words is "two trillion, one hundred fifty-four billion, four hundred forty-two million, seven hundred forty-three thousand, four hundred seventy-two".