26458318428 has 36 divisors (see below), whose sum is σ = 62318764872. Its totient is φ = 8736969440.

The previous prime is 26458318427. The next prime is 26458318429. The reversal of 26458318428 is 82481385462.

It is an interprime number because it is at equal distance from previous prime (26458318427) and next prime (26458318429).

It is a super-2 number, since 2×26458318428² (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 (26458318421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41098 + ... + 233678.

It is an arithmetic number, because the mean of its divisors is an integer number (1731076802).

Almost surely, 2^26458318428 is an apocalyptic number.

It is an amenable number.

26458318428 is an abundant number, since it is smaller than the sum of its proper divisors (35860446444).

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

26458318428 is a wasteful number, since it uses less digits than its factorization.

26458318428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192802 (or 192693 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The spelling of 26458318428 in words is "twenty-six billion, four hundred fifty-eight million, three hundred eighteen thousand, four hundred twenty-eight".