2254678511340 has 192 divisors, whose sum is σ = 6510049781760. Its totient is φ = 582748078080.

The previous prime is 2254678511321. The next prime is 2254678511377. The reversal of 2254678511340 is 431158764522.

It is a self number, because there is not a number n which added to its sum of digits gives 2254678511340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503161900 + ... + 503166380.

It is an arithmetic number, because the mean of its divisors is an integer number (33906509280).

Almost surely, 2^{2254678511340} is an apocalyptic number.

2254678511340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2254678511340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255024890880).

2254678511340 is an abundant number, since it is smaller than the sum of its proper divisors (4255371270420).

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

2254678511340 is a wasteful number, since it uses less digits than its factorization.

2254678511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6230 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 2254678511340 in words is "two trillion, two hundred fifty-four billion, six hundred seventy-eight million, five hundred eleven thousand, three hundred forty".