265462040340 has 576 divisors, whose sum is σ = 1006353331200. Its totient is φ = 58571009280.

The previous prime is 265462040209. The next prime is 265462040377. The reversal of 265462040340 is 43040264562.

265462040340 is a `hidden beast` number, since 26 + 5 + 4 + 620 + 4 + 0 + 3 + 4 + 0 = 666.

It is a super-2 number, since 2×265462040340² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 265462040295 and 265462040304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 62152405 + ... + 62156675.

It is an arithmetic number, because the mean of its divisors is an integer number (1747141200).

Almost surely, 2^265462040340 is an apocalyptic number.

265462040340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265462040340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503176665600).

265462040340 is an abundant number, since it is smaller than the sum of its proper divisors (740891290860).

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

265462040340 is a wasteful number, since it uses less digits than its factorization.

265462040340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 265462040340 in words is "two hundred sixty-five billion, four hundred sixty-two million, forty thousand, three hundred forty".