26148976428 has 48 divisors (see below), whose sum is σ = 64676634624. Its totient is φ = 8194295040.

The previous prime is 26148976409. The next prime is 26148976463. The reversal of 26148976428 is 82467984162.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108693 + ... + 253203.

It is an arithmetic number, because the mean of its divisors is an integer number (1347429888).

Almost surely, 2^26148976428 is an apocalyptic number.

It is an amenable number.

26148976428 is an abundant number, since it is smaller than the sum of its proper divisors (38527658196).

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

26148976428 is a wasteful number, since it uses less digits than its factorization.

26148976428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145422 (or 145420 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 26148976428 in words is "twenty-six billion, one hundred forty-eight million, nine hundred seventy-six thousand, four hundred twenty-eight".