265448340 has 144 divisors (see below), whose sum is σ = 842307648. Its totient is φ = 70170624.

The previous prime is 265448333. The next prime is 265448347. The reversal of 265448340 is 43844562.

It is an interprime number because it is at equal distance from previous prime (265448333) and next prime (265448347).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 265448295 and 265448304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265448347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 937839 + ... + 938121.

Almost surely, 2^265448340 is an apocalyptic number.

265448340 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 265448340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421153824).

265448340 is an abundant number, since it is smaller than the sum of its proper divisors (576859308).

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

265448340 is a wasteful number, since it uses less digits than its factorization.

265448340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 265448340 is about 16292.5854301888. The cubic root of 265448340 is about 642.6778585761.

The spelling of 265448340 in words is "two hundred sixty-five million, four hundred forty-eight thousand, three hundred forty".