265044042 has 64 divisors (see below), whose sum is σ = 650799360. Its totient is φ = 79529472.

The previous prime is 265044023. The next prime is 265044067. The reversal of 265044042 is 240440562.

265044042 is a `hidden beast` number, since 2 + 650 + 4 + 4 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 265043997 and 265044015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14838 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (10168740).

Almost surely, 2^265044042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265044042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325399680).

265044042 is an abundant number, since it is smaller than the sum of its proper divisors (385755318).

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

265044042 is a wasteful number, since it uses less digits than its factorization.

265044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12604 (or 12598 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 265044042 is about 16280.1732791761. The cubic root of 265044042 is about 642.3514103741.

The spelling of 265044042 in words is "two hundred sixty-five million, forty-four thousand, forty-two".