2455606273440 has 96 divisors (see below), whose sum is σ = 7944218190720. Its totient is φ = 637130271744.

The previous prime is 2455606273423. The next prime is 2455606273447. The reversal of 2455606273440 is 443726065542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2455606273440.

It is not an unprimeable number, because it can be changed into a prime (2455606273447) 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, 69115300 + ... + 69150819.

It is an arithmetic number, because the mean of its divisors is an integer number (82752272820).

Almost surely, 2^{2455606273440} is an apocalyptic number.

2455606273440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455606273440 is an abundant number, since it is smaller than the sum of its proper divisors (5488611917280).

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

2455606273440 is a wasteful number, since it uses less digits than its factorization.

2455606273440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138266174 (or 138266166 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 2455606273440 in words is "two trillion, four hundred fifty-five billion, six hundred six million, two hundred seventy-three thousand, four hundred forty".