25482404409 has 32 divisors (see below), whose sum is σ = 42940667904. Its totient is φ = 13056266880.

The previous prime is 25482404383. The next prime is 25482404417. The reversal of 25482404409 is 90440428452.

It is not a de Polignac number, because 25482404409 - 2⁵ = 25482404377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25482404459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738709 + ... + 772434.

It is an arithmetic number, because the mean of its divisors is an integer number (1341895872).

Almost surely, 2^25482404409 is an apocalyptic number.

It is an amenable number.

25482404409 is a deficient number, since it is larger than the sum of its proper divisors (17458263495).

25482404409 is a wasteful number, since it uses less digits than its factorization.

25482404409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511237.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 25482404409 in words is "twenty-five billion, four hundred eighty-two million, four hundred four thousand, four hundred nine".