25419454260 has 24 divisors (see below), whose sum is σ = 71174472096. Its totient is φ = 6778521120.

The previous prime is 25419454259. The next prime is 25419454273. The reversal of 25419454260 is 6245491452.

It is a super-3 number, since 3×25419454260³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211828726 + ... + 211828845.

It is an arithmetic number, because the mean of its divisors is an integer number (2965603004).

Almost surely, 2^25419454260 is an apocalyptic number.

25419454260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25419454260 is an abundant number, since it is smaller than the sum of its proper divisors (45755017836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25419454260 is a wasteful number, since it uses less digits than its factorization.

25419454260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423657583 (or 423657581 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 25419454260 in words is "twenty-five billion, four hundred nineteen million, four hundred fifty-four thousand, two hundred sixty".