49277340225 has 45 divisors (see below), whose sum is σ = 91297175673. Its totient is φ = 26275920480.

The previous prime is 49277340193. The next prime is 49277340253. The reversal of 49277340225 is 52204377294.

The square root of 49277340225 is 221985.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5318347329 + 43958992896 = 72927^2 + 209664^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 49277340225 - 2⁵ = 49277340193 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 9986859 + ... + 9991791.

Almost surely, 2^49277340225 is an apocalyptic number.

49277340225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49277340225 is the 221985-th square number.

49277340225 is the 110993-rd centered octagonal number.

It is an amenable number.

49277340225 is a deficient number, since it is larger than the sum of its proper divisors (42019835448).

49277340225 is an frugal number, since it uses more digits than its factorization.

49277340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888 (or 4941 counting only the distinct ones).

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

The spelling of 49277340225 in words is "forty-nine billion, two hundred seventy-seven million, three hundred forty thousand, two hundred twenty-five".