2254400131440 has 40 divisors (see below), whose sum is σ = 6988640408208. Its totient is φ = 601173368320.

The previous prime is 2254400131381. The next prime is 2254400131453. The reversal of 2254400131440 is 441310044522.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2254400131398 and 2254400131407.

It is a congruent number.

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, 4696666701 + ... + 4696667180.

Almost surely, 2^{2254400131440} is an apocalyptic number.

2254400131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254400131440 is an abundant number, since it is smaller than the sum of its proper divisors (4734240276768).

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

2254400131440 is a wasteful number, since it uses less digits than its factorization.

2254400131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393333897 (or 9393333891 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2254400131440 its reverse (441310044522), we get a palindrome (2695710175962).

The spelling of 2254400131440 in words is "two trillion, two hundred fifty-four billion, four hundred million, one hundred thirty-one thousand, four hundred forty".