25278058330 has 16 divisors (see below), whose sum is σ = 52000577280. Its totient is φ = 8666762832.

The previous prime is 25278058321. The next prime is 25278058331. The reversal of 25278058330 is 3385087252.

It is not an unprimeable number, because it can be changed into a prime (25278058331) 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, 180557490 + ... + 180557629.

It is an arithmetic number, because the mean of its divisors is an integer number (3250036080).

Almost surely, 2^25278058330 is an apocalyptic number.

25278058330 is an abundant number, since it is smaller than the sum of its proper divisors (26722518950).

25278058330 is a wasteful number, since it uses less digits than its factorization.

25278058330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361115133.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 25278058330 in words is "twenty-five billion, two hundred seventy-eight million, fifty-eight thousand, three hundred thirty".