26742540 has 48 divisors (see below), whose sum is σ = 81688320. Its totient is φ = 6482880.

The previous prime is 26742533. The next prime is 26742571. The reversal of 26742540 is 4524762.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 26742498 and 26742507.

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, 19600 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (1701840).

Almost surely, 2^26742540 is an apocalyptic number.

26742540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26742540 is an abundant number, since it is smaller than the sum of its proper divisors (54945780).

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

26742540 is a wasteful number, since it uses less digits than its factorization.

26742540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40542 (or 40540 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 26742540 is about 5171.3189806857. The cubic root of 26742540 is about 299.0433973914.

The spelling of 26742540 in words is "twenty-six million, seven hundred forty-two thousand, five hundred forty".