265524032340 has 384 divisors, whose sum is σ = 951035904000. Its totient is φ = 60246554112.

The previous prime is 265524032321. The next prime is 265524032369. The reversal of 265524032340 is 43230425562.

265524032340 is a `hidden beast` number, since 2 + 6 + 55 + 240 + 323 + 40 = 666.

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 = 265524032295 and 265524032304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 527880529 + ... + 527881031.

It is an arithmetic number, because the mean of its divisors is an integer number (2476656000).

Almost surely, 2^265524032340 is an apocalyptic number.

265524032340 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 265524032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475517952000).

265524032340 is an abundant number, since it is smaller than the sum of its proper divisors (685511871660).

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

265524032340 is a wasteful number, since it uses less digits than its factorization.

265524032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 265524032340 in words is "two hundred sixty-five billion, five hundred twenty-four million, thirty-two thousand, three hundred forty".