2455251027440 has 80 divisors (see below), whose sum is σ = 5779166859648. Its totient is φ = 969943473408.

The previous prime is 2455251027421. The next prime is 2455251027443. The reversal of 2455251027440 is 447201525542.

2455251027440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455251027443) 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, 20304599 + ... + 20425161.

Almost surely, 2^{2455251027440} is an apocalyptic number.

2455251027440 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 2455251027440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889583429824).

2455251027440 is an abundant number, since it is smaller than the sum of its proper divisors (3323915832208).

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

2455251027440 is a wasteful number, since it uses less digits than its factorization.

2455251027440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123726 (or 123720 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 41.

The spelling of 2455251027440 in words is "two trillion, four hundred fifty-five billion, two hundred fifty-one million, twenty-seven thousand, four hundred forty".