26928461544 has 32 divisors (see below), whose sum is σ = 67560747840. Its totient is φ = 8944208000.

The previous prime is 26928461543. The next prime is 26928461563. The reversal of 26928461544 is 44516482962.

It is a super-2 number, since 2×26928461544² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26928461543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989732 + ... + 2003219.

It is an arithmetic number, because the mean of its divisors is an integer number (2111273370).

Almost surely, 2^26928461544 is an apocalyptic number.

26928461544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26928461544 is an abundant number, since it is smaller than the sum of its proper divisors (40632286296).

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

26928461544 is a wasteful number, since it uses less digits than its factorization.

26928461544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993241 (or 3993237 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 26928461544 in words is "twenty-six billion, nine hundred twenty-eight million, four hundred sixty-one thousand, five hundred forty-four".