26672298624 has 64 divisors (see below), whose sum is σ = 78720336000. Its totient is φ = 8890765056.

The previous prime is 26672298613. The next prime is 26672298641. The reversal of 26672298624 is 42689227662.

26672298624 is a `hidden beast` number, since 2 + 6 + 6 + 7 + 2 + 2 + 9 + 8 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×26672298624² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855384 + ... + 3862295.

It is an arithmetic number, because the mean of its divisors is an integer number (1230005250).

Almost surely, 2^26672298624 is an apocalyptic number.

26672298624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26672298624 is an abundant number, since it is smaller than the sum of its proper divisors (52048037376).

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

26672298624 is an equidigital number, since it uses as much as digits as its factorization.

26672298624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717702 (or 7717684 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 26672298624 in words is "twenty-six billion, six hundred seventy-two million, two hundred ninety-eight thousand, six hundred twenty-four".