2545220046600 has 288 divisors, whose sum is σ = 10656869970240. Its totient is φ = 528876864000.

The previous prime is 2545220046563. The next prime is 2545220046619. The reversal of 2545220046600 is 66400225452.

2545220046600 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 2 + 2 + 0 + 0 + 46 + 600 = 666.

2545220046600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2545220046600² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9043291 + ... + 9320490.

It is an arithmetic number, because the mean of its divisors is an integer number (37003020730).

Almost surely, 2^{2545220046600} is an apocalyptic number.

2545220046600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545220046600 is an abundant number, since it is smaller than the sum of its proper divisors (8111649923640).

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

2545220046600 is a wasteful number, since it uses less digits than its factorization.

2545220046600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18363821 (or 18363809 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 2545220046600 in words is "two trillion, five hundred forty-five billion, two hundred twenty million, forty-six thousand, six hundred".