265674240 has 240 divisors, whose sum is σ = 991999008. Its totient is φ = 65323008.

The previous prime is 265674239. The next prime is 265674251. The reversal of 265674240 is 42476562.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 265674195 and 265674204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299077 + ... + 299963.

Almost surely, 2^265674240 is an apocalyptic number.

265674240 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 265674240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495999504).

265674240 is an abundant number, since it is smaller than the sum of its proper divisors (726324768).

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

265674240 is a wasteful number, since it uses less digits than its factorization.

265674240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 265674240 is about 16299.5165572479. The cubic root of 265674240 is about 642.8601159651.

The spelling of 265674240 in words is "two hundred sixty-five million, six hundred seventy-four thousand, two hundred forty".