265342401030 has 64 divisors (see below), whose sum is σ = 737008957440. Its totient is φ = 59881970304.

The previous prime is 265342401019. The next prime is 265342401031. The reversal of 265342401030 is 30104243562.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265342401031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7980469 + ... + 8013648.

It is an arithmetic number, because the mean of its divisors is an integer number (11515764960).

Almost surely, 2^265342401030 is an apocalyptic number.

265342401030 is an abundant number, since it is smaller than the sum of its proper divisors (471666556410).

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

265342401030 is a wasteful number, since it uses less digits than its factorization.

265342401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15994213.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 265342401030 its reverse (30104243562), we get a palindrome (295446644592).

The spelling of 265342401030 in words is "two hundred sixty-five billion, three hundred forty-two million, four hundred one thousand, thirty".