26454540 has 48 divisors (see below), whose sum is σ = 84655872. Its totient is φ = 6046656.

The previous prime is 26454521. The next prime is 26454551. The reversal of 26454540 is 4545462.

It is a super-2 number, since 2×26454540² = 1399685373223200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 26454498 and 26454507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31074 + ... + 31913.

It is an arithmetic number, because the mean of its divisors is an integer number (1763664).

Almost surely, 2^26454540 is an apocalyptic number.

26454540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26454540 is an abundant number, since it is smaller than the sum of its proper divisors (58201332).

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

26454540 is a wasteful number, since it uses less digits than its factorization.

26454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63006 (or 63004 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 26454540 is about 5143.3977096857. The cubic root of 26454540 is about 297.9660186768.

The spelling of 26454540 in words is "twenty-six million, four hundred fifty-four thousand, five hundred forty".