26949655400 has 24 divisors (see below), whose sum is σ = 62657949270. Its totient is φ = 10779862080.

The previous prime is 26949655393. The next prime is 26949655409. The reversal of 26949655400 is 455694962.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15970387876 + 10979267524 = 126374^2 + 104782^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (26949655409) 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, 67373939 + ... + 67374338.

Almost surely, 2^26949655400 is an apocalyptic number.

26949655400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26949655400 is an abundant number, since it is smaller than the sum of its proper divisors (35708293870).

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

26949655400 is a wasteful number, since it uses less digits than its factorization.

26949655400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134748293 (or 134748284 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 26949655400 in words is "twenty-six billion, nine hundred forty-nine million, six hundred fifty-five thousand, four hundred".