245401404255140 has 48 divisors (see below), whose sum is σ = 589857093302400. Its totient is φ = 84009949588992.

The previous prime is 245401404255097. The next prime is 245401404255157. The reversal of 245401404255140 is 41552404104542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329852485 + ... + 1330037004.

It is an arithmetic number, because the mean of its divisors is an integer number (12288689443800).

Almost surely, 2^{245401404255140} is an apocalyptic number.

245401404255140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245401404255140 is an abundant number, since it is smaller than the sum of its proper divisors (344455689047260).

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

245401404255140 is a wasteful number, since it uses less digits than its factorization.

245401404255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659890164 (or 2659890162 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 245401404255140 its reverse (41552404104542), we get a palindrome (286953808359682).

The spelling of 245401404255140 in words is "two hundred forty-five trillion, four hundred one billion, four hundred four million, two hundred fifty-five thousand, one hundred forty".