4054440145452 has 48 divisors (see below), whose sum is σ = 9873160657920. Its totient is φ = 1292526197248.

The previous prime is 4054440145447. The next prime is 4054440145453. The reversal of 4054440145452 is 2545410444504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4054440145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748093 + ... + 2944235.

It is an arithmetic number, because the mean of its divisors is an integer number (205690847040).

Almost surely, 2^{4054440145452} is an apocalyptic number.

It is an amenable number.

4054440145452 is an abundant number, since it is smaller than the sum of its proper divisors (5818720512468).

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

4054440145452 is a wasteful number, since it uses less digits than its factorization.

4054440145452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202862 (or 2202860 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 4054440145452 its reverse (2545410444504), we get a palindrome (6599850589956).

The spelling of 4054440145452 in words is "four trillion, fifty-four billion, four hundred forty million, one hundred forty-five thousand, four hundred fifty-two".