2455536720 has 320 divisors, whose sum is σ = 9694379520. Its totient is φ = 500097024.

The previous prime is 2455536719. The next prime is 2455536751. The reversal of 2455536720 is 276355542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 631422 + ... + 635298.

It is an arithmetic number, because the mean of its divisors is an integer number (30294936).

Almost surely, 2^2455536720 is an apocalyptic number.

2455536720 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 2455536720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4847189760).

2455536720 is an abundant number, since it is smaller than the sum of its proper divisors (7238842800).

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

2455536720 is a wasteful number, since it uses less digits than its factorization.

2455536720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 2455536720 is about 49553.3724382105. The cubic root of 2455536720 is about 1349.1145029848.

The spelling of 2455536720 in words is "two billion, four hundred fifty-five million, five hundred thirty-six thousand, seven hundred twenty".