25209977330 has 16 divisors (see below), whose sum is σ = 45525775680. Its totient is φ = 10051142832.

The previous prime is 25209977293. The next prime is 25209977339. The reversal of 25209977330 is 3377990252.

It is a super-2 number, since 2×25209977330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25209977339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102790 + ... + 4108929.

It is an arithmetic number, because the mean of its divisors is an integer number (2845360980).

Almost surely, 2^25209977330 is an apocalyptic number.

25209977330 is a deficient number, since it is larger than the sum of its proper divisors (20315798350).

25209977330 is a wasteful number, since it uses less digits than its factorization.

25209977330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212033.

The product of its (nonzero) digits is 714420, while the sum is 47.

The spelling of 25209977330 in words is "twenty-five billion, two hundred nine million, nine hundred seventy-seven thousand, three hundred thirty".