26454040 has 32 divisors (see below), whose sum is σ = 63024480. Its totient is φ = 9958912.

The previous prime is 26454037. The next prime is 26454041. The reversal of 26454040 is 4045462.

26454040 = 1321² + 1322² + ... + 1335².

It is a junction number, because it is equal to n+sod(n) for n = 26453996 and 26454014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26454041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18772 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (1969515).

Almost surely, 2^26454040 is an apocalyptic number.

26454040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26454040 is an abundant number, since it is smaller than the sum of its proper divisors (36570440).

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

26454040 is a wasteful number, since it uses less digits than its factorization.

26454040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38931 (or 38927 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 26454040 is about 5143.3491034539. The cubic root of 26454040 is about 297.9641414445.

The spelling of 26454040 in words is "twenty-six million, four hundred fifty-four thousand, forty".