25616058442 has 8 divisors (see below), whose sum is σ = 41379786756. Its totient is φ = 11822796192.

The previous prime is 25616058437. The next prime is 25616058451. The reversal of 25616058442 is 24485061652.

It can be written as a sum of positive squares in 2 ways, for example, as 25189181521 + 426876921 = 158711^2 + 20661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×25616058442³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492616483 + ... + 492616534.

Almost surely, 2^25616058442 is an apocalyptic number.

25616058442 is a deficient number, since it is larger than the sum of its proper divisors (15763728314).

25616058442 is a wasteful number, since it uses less digits than its factorization.

25616058442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985233032.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 25616058442 in words is "twenty-five billion, six hundred sixteen million, fifty-eight thousand, four hundred forty-two".