2455243537320 has 384 divisors, whose sum is σ = 9179172288000. Its totient is φ = 557536296960.

The previous prime is 2455243537309. The next prime is 2455243537321. The reversal of 2455243537320 is 237353425542.

2455243537320 is a `hidden beast` number, since 2 + 4 + 5 + 52 + 43 + 537 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2455243537321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 266608876 + ... + 266618084.

It is an arithmetic number, because the mean of its divisors is an integer number (23904094500).

Almost surely, 2^{2455243537320} is an apocalyptic number.

2455243537320 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 2455243537320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4589586144000).

2455243537320 is an abundant number, since it is smaller than the sum of its proper divisors (6723928750680).

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

2455243537320 is a wasteful number, since it uses less digits than its factorization.

2455243537320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913 (or 9906 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 45.

The spelling of 2455243537320 in words is "two trillion, four hundred fifty-five billion, two hundred forty-three million, five hundred thirty-seven thousand, three hundred twenty".