245115200053540 has 48 divisors (see below), whose sum is σ = 545335353490032. Its totient is φ = 92225415397376.

The previous prime is 245115200053517. The next prime is 245115200053567. The reversal of 245115200053540 is 45350002511542.

It can be written as a sum of positive squares in 8 ways, for example, as 8161946175744 + 236953253877796 = 2856912^2 + 15393286^2 .

It is a super-2 number, since 2×245115200053540² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245115200053540.

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, 207410509 + ... + 208588948.

It is an arithmetic number, because the mean of its divisors is an integer number (11361153197709).

Almost surely, 2^{245115200053540} is an apocalyptic number.

245115200053540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245115200053540 is an abundant number, since it is smaller than the sum of its proper divisors (300220153436492).

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

245115200053540 is a wasteful number, since it uses less digits than its factorization.

245115200053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416001216 (or 416001214 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 245115200053540 in words is "two hundred forty-five trillion, one hundred fifteen billion, two hundred million, fifty-three thousand, five hundred forty".