265640352452140 has 96 divisors (see below), whose sum is σ = 599859273162240. Its totient is φ = 98457729908736.

The previous prime is 265640352452107. The next prime is 265640352452213. The reversal of 265640352452140 is 41254253046562.

265640352452140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11787612 + ... + 25888771.

It is an arithmetic number, because the mean of its divisors is an integer number (6248534095440).

Almost surely, 2^{265640352452140} is an apocalyptic number.

265640352452140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265640352452140 is an abundant number, since it is smaller than the sum of its proper divisors (334218920710100).

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

265640352452140 is a wasteful number, since it uses less digits than its factorization.

265640352452140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37676731 (or 37676729 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 265640352452140 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, four hundred fifty-two thousand, one hundred forty".