265742425998 has 64 divisors (see below), whose sum is σ = 676197296640. Its totient is φ = 75780619200.

The previous prime is 265742425997. The next prime is 265742426003. The reversal of 265742425998 is 899524247562.

265742425998 is a `hidden beast` number, since 2 + 6 + 574 + 2 + 4 + 2 + 59 + 9 + 8 = 666.

265742425998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265742425997) 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, 477748 + ... + 871623.

It is an arithmetic number, because the mean of its divisors is an integer number (10565582760).

Almost surely, 2^265742425998 is an apocalyptic number.

265742425998 is an abundant number, since it is smaller than the sum of its proper divisors (410454870642).

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

265742425998 is a wasteful number, since it uses less digits than its factorization.

265742425998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349910 (or 1349904 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 265742425998 in words is "two hundred sixty-five billion, seven hundred forty-two million, four hundred twenty-five thousand, nine hundred ninety-eight".