25582435662 has 32 divisors (see below), whose sum is σ = 58569587712. Its totient is φ = 7297336224.

The previous prime is 25582435661. The next prime is 25582435667. The reversal of 25582435662 is 26653428552.

It is a super-2 number, since 2×25582435662² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25582435661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471078 + ... + 522569.

It is an arithmetic number, because the mean of its divisors is an integer number (1830299616).

Almost surely, 2^25582435662 is an apocalyptic number.

25582435662 is an abundant number, since it is smaller than the sum of its proper divisors (32987152050).

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

25582435662 is a wasteful number, since it uses less digits than its factorization.

25582435662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994272.

The product of its digits is 3456000, while the sum is 48.

The spelling of 25582435662 in words is "twenty-five billion, five hundred eighty-two million, four hundred thirty-five thousand, six hundred sixty-two".