1254113454440 has 64 divisors (see below), whose sum is σ = 3518032556160. Its totient is φ = 390892504320.

The previous prime is 1254113454431. The next prime is 1254113454449. The reversal of 1254113454440 is 444543114521.

It is an interprime number because it is at equal distance from previous prime (1254113454431) and next prime (1254113454449).

It is a super-3 number, since 3×1254113454440³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1254113454394 and 1254113454403.

It is not an unprimeable number, because it can be changed into a prime (1254113454449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203586767 + ... + 203592926.

It is an arithmetic number, because the mean of its divisors is an integer number (54969258690).

Almost surely, 2^{1254113454440} is an apocalyptic number.

1254113454440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254113454440 is an abundant number, since it is smaller than the sum of its proper divisors (2263919101720).

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

1254113454440 is a wasteful number, since it uses less digits than its factorization.

1254113454440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407179722 (or 407179718 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 1254113454440 its reverse (444543114521), we get a palindrome (1698656568961).

The spelling of 1254113454440 in words is "one trillion, two hundred fifty-four billion, one hundred thirteen million, four hundred fifty-four thousand, four hundred forty".