26418157480 has 192 divisors, whose sum is σ = 70651057680. Its totient is φ = 8831201280.

The previous prime is 26418157433. The next prime is 26418157501. The reversal of 26418157480 is 8475181462.

It can be written as a sum of positive squares in 8 ways, for example, as 18086484196 + 8331673284 = 134486^2 + 91278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26418157480.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18434844 + ... + 18436276.

Almost surely, 2^26418157480 is an apocalyptic number.

26418157480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26418157480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35325528840).

26418157480 is an abundant number, since it is smaller than the sum of its proper divisors (44232900200).

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

26418157480 is a wasteful number, since it uses less digits than its factorization.

26418157480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 26418157480 in words is "twenty-six billion, four hundred eighteen million, one hundred fifty-seven thousand, four hundred eighty".