2772666450 has 72 divisors (see below), whose sum is σ = 7725161808. Its totient is φ = 739374480.

The previous prime is 2772666401. The next prime is 2772666467. The reversal of 2772666450 is 546662772.

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

It is a junction number, because it is equal to n+sod(n) for n = 2772666396 and 2772666405.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 101952 + ... + 126251.

It is an arithmetic number, because the mean of its divisors is an integer number (107293914).

Almost surely, 2^2772666450 is an apocalyptic number.

2772666450 is an abundant number, since it is smaller than the sum of its proper divisors (4952495358).

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

2772666450 is a wasteful number, since it uses less digits than its factorization.

2772666450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228230 (or 228213 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2772666450 is about 52656.1150295006. The cubic root of 2772666450 is about 1404.8583672869.

The spelling of 2772666450 in words is "two billion, seven hundred seventy-two million, six hundred sixty-six thousand, four hundred fifty".