26840940 has 48 divisors (see below), whose sum is σ = 85892352. Its totient is φ = 6134976.

The previous prime is 26840897. The next prime is 26840951. The reversal of 26840940 is 4904862.

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, 31534 + ... + 32373.

It is an arithmetic number, because the mean of its divisors is an integer number (1789424).

Almost surely, 2^26840940 is an apocalyptic number.

26840940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26840940 is an abundant number, since it is smaller than the sum of its proper divisors (59051412).

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

26840940 is a wasteful number, since it uses less digits than its factorization.

26840940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63926 (or 63924 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26840940 is about 5180.8242587449. The cubic root of 26840940 is about 299.4097282481.

The spelling of 26840940 in words is "twenty-six million, eight hundred forty thousand, nine hundred forty".