2745204100 has 36 divisors (see below), whose sum is σ = 6216102144. Its totient is φ = 1050338080.

The previous prime is 2745204079. The next prime is 2745204103. The reversal of 2745204100 is 14025472.

It is a super-2 number, since 2×2745204100² = 15072291101313620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2745204103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594484 + ... + 599083.

It is an arithmetic number, because the mean of its divisors is an integer number (172669504).

Almost surely, 2^2745204100 is an apocalyptic number.

2745204100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745204100 is an abundant number, since it is smaller than the sum of its proper divisors (3470898044).

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

2745204100 is a wasteful number, since it uses less digits than its factorization.

2745204100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193604 (or 1193597 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2745204100 is about 52394.6953421813. The cubic root of 2745204100 is about 1400.2047489657.

Adding to 2745204100 its reverse (14025472), we get a palindrome (2759229572).

The spelling of 2745204100 in words is "two billion, seven hundred forty-five million, two hundred four thousand, one hundred".