26624828340 has 72 divisors (see below), whose sum is σ = 88103983968. Its totient is φ = 6454503360.

The previous prime is 26624828339. The next prime is 26624828389. The reversal of 26624828340 is 4382842662.

26624828340 is a `hidden beast` number, since 2 + 66 + 248 + 2 + 8 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6721462 + ... + 6725421.

It is an arithmetic number, because the mean of its divisors is an integer number (1223666444).

Almost surely, 2^26624828340 is an apocalyptic number.

26624828340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26624828340 is an abundant number, since it is smaller than the sum of its proper divisors (61479155628).

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

26624828340 is a wasteful number, since it uses less digits than its factorization.

26624828340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446909 (or 13446904 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 26624828340 in words is "twenty-six billion, six hundred twenty-four million, eight hundred twenty-eight thousand, three hundred forty".