26934440 has 32 divisors (see below), whose sum is σ = 65265480. Its totient is φ = 9944832.

The previous prime is 26934437. The next prime is 26934473. The reversal of 26934440 is 4443962.

It can be written as a sum of positive squares in 4 ways, for example, as 12630916 + 14303524 = 3554^2 + 3782^2 .

It is a super-2 number, since 2×26934440² = 1450928116227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26934397 and 26934406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25379 + ... + 26418.

Almost surely, 2^26934440 is an apocalyptic number.

26934440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26934440 is an abundant number, since it is smaller than the sum of its proper divisors (38331040).

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

26934440 is a wasteful number, since it uses less digits than its factorization.

26934440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51821 (or 51817 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 26934440 is about 5189.8400746073. The cubic root of 26934440 is about 299.7569883895.

It can be divided in two parts, 269 and 34440, that multiplied together give a triangular number (9264360 = T₄₃₀₄).

The spelling of 26934440 in words is "twenty-six million, nine hundred thirty-four thousand, four hundred forty".