26860140 has 48 divisors (see below), whose sum is σ = 83566560. Its totient is φ = 7162560.

The previous prime is 26860073. The next prime is 26860147. The reversal of 26860140 is 4106862.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (26860147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24331 + ... + 25410.

It is an arithmetic number, because the mean of its divisors is an integer number (1740970).

Almost surely, 2^26860140 is an apocalyptic number.

26860140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26860140 is an abundant number, since it is smaller than the sum of its proper divisors (56706420).

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

26860140 is a wasteful number, since it uses less digits than its factorization.

26860140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49759 (or 49751 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26860140 is about 5182.6769144912. The cubic root of 26860140 is about 299.4811030038.

It can be divided in two parts, 26860 and 140, that added together give a cube (27000 = 30³).

The spelling of 26860140 in words is "twenty-six million, eight hundred sixty thousand, one hundred forty".