26140392 has 24 divisors (see below), whose sum is σ = 70797090. Its totient is φ = 8713440.

The previous prime is 26140381. The next prime is 26140399. The reversal of 26140392 is 29304162.

It can be written as a sum of positive squares in only one way, i.e., 25341156 + 799236 = 5034^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (26140399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181459 + ... + 181602.

Almost surely, 2^26140392 is an apocalyptic number.

It is an amenable number.

26140392 is an abundant number, since it is smaller than the sum of its proper divisors (44656698).

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

26140392 is a wasteful number, since it uses less digits than its factorization.

26140392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363073 (or 363066 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 26140392 is about 5112.7675480115. The cubic root of 26140392 is about 296.7818688779.

It can be divided in two parts, 2614039 and 2, that added together give a triangular number (2614041 = T₂₂₈₆).

The spelling of 26140392 in words is "twenty-six million, one hundred forty thousand, three hundred ninety-two".