2154462421132 has 24 divisors (see below), whose sum is σ = 4562391010464. Its totient is φ = 869026858752.

The previous prime is 2154462421127. The next prime is 2154462421141. The reversal of 2154462421132 is 2311242644512.

It is a super-2 number, since 2×2154462421132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2154462421091 and 2154462421100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263090303 + ... + 2263091254.

It is an arithmetic number, because the mean of its divisors is an integer number (190099625436).

Almost surely, 2^{2154462421132} is an apocalyptic number.

It is an amenable number.

2154462421132 is an abundant number, since it is smaller than the sum of its proper divisors (2407928589332).

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

2154462421132 is a wasteful number, since it uses less digits than its factorization.

2154462421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526181585 (or 4526181583 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The spelling of 2154462421132 in words is "two trillion, one hundred fifty-four billion, four hundred sixty-two million, four hundred twenty-one thousand, one hundred thirty-two".