26473781740 has 36 divisors (see below), whose sum is σ = 64671669216. Its totient is φ = 9076724832.

The previous prime is 26473781723. The next prime is 26473781753. The reversal of 26473781740 is 4718737462.

It is a happy number.

It is a super-3 number, since 3×26473781740³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13506052 + ... + 13508011.

It is an arithmetic number, because the mean of its divisors is an integer number (1796435256).

Almost surely, 2^26473781740 is an apocalyptic number.

26473781740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26473781740 is an abundant number, since it is smaller than the sum of its proper divisors (38197887476).

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

26473781740 is a wasteful number, since it uses less digits than its factorization.

26473781740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27014086 (or 27014077 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 26473781740 in words is "twenty-six billion, four hundred seventy-three million, seven hundred eighty-one thousand, seven hundred forty".