26992464 has 80 divisors (see below), whose sum is σ = 77762880. Its totient is φ = 8017920.

The previous prime is 26992457. The next prime is 26992477. The reversal of 26992464 is 46429962.

It is a super-2 number, since 2×26992464² = 1457186225582592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14634 + ... + 16374.

It is an arithmetic number, because the mean of its divisors is an integer number (972036).

Almost surely, 2^26992464 is an apocalyptic number.

26992464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26992464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38881440).

26992464 is an abundant number, since it is smaller than the sum of its proper divisors (50770416).

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

26992464 is a wasteful number, since it uses less digits than its factorization.

26992464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 26992464 is about 5195.4272201620. The cubic root of 26992464 is about 299.9720862917.

The spelling of 26992464 in words is "twenty-six million, nine hundred ninety-two thousand, four hundred sixty-four".