25553310241040 has 40 divisors (see below), whose sum is σ = 59457253372440. Its totient is φ = 10213443311616.

The previous prime is 25553310241033. The next prime is 25553310241057. The reversal of 25553310241040 is 4014201335552.

It can be written as a sum of positive squares in 4 ways, for example, as 17369156487424 + 8184153753616 = 4167632^2 + 2860796^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123032855 + ... + 123240374.

It is an arithmetic number, because the mean of its divisors is an integer number (1486431334311).

Almost surely, 2^{25553310241040} is an apocalyptic number.

25553310241040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25553310241040 is an abundant number, since it is smaller than the sum of its proper divisors (33903943131400).

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

25553310241040 is a wasteful number, since it uses less digits than its factorization.

25553310241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246274539 (or 246274533 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 25553310241040 its reverse (4014201335552), we get a palindrome (29567511576592).

The spelling of 25553310241040 in words is "twenty-five trillion, five hundred fifty-three billion, three hundred ten million, two hundred forty-one thousand, forty".