26928247724 has 216 divisors, whose sum is σ = 62432379072. Its totient is φ = 10093870080.

The previous prime is 26928247721. The next prime is 26928247729. The reversal of 26928247724 is 42774282962.

It is a super-2 number, since 2×26928247724² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26928247721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 73373789 + ... + 73374155.

It is an arithmetic number, because the mean of its divisors is an integer number (289038792).

Almost surely, 2^26928247724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26928247724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31216189536).

26928247724 is an abundant number, since it is smaller than the sum of its proper divisors (35504131348).

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

26928247724 is a wasteful number, since it uses less digits than its factorization.

26928247724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 473 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 26928247724 in words is "twenty-six billion, nine hundred twenty-eight million, two hundred forty-seven thousand, seven hundred twenty-four".