265464628 has 72 divisors (see below), whose sum is σ = 560994336. Its totient is φ = 108360000.

The previous prime is 265464613. The next prime is 265464631. The reversal of 265464628 is 826464562.

It is a Harshad number since it is a multiple of its sum of digits (43).

Its product of digits (552960) is a multiple of the sum of its prime divisors (320).

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, 1057503 + ... + 1057753.

It is an arithmetic number, because the mean of its divisors is an integer number (7791588).

Almost surely, 2^265464628 is an apocalyptic number.

It is an amenable number.

265464628 is an abundant number, since it is smaller than the sum of its proper divisors (295529708).

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

265464628 is a wasteful number, since it uses less digits than its factorization.

265464628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 320 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 265464628 is about 16293.0852817998. The cubic root of 265464628 is about 642.6910032842.

The spelling of 265464628 in words is "two hundred sixty-five million, four hundred sixty-four thousand, six hundred twenty-eight".