26939039400 has 576 divisors, whose sum is σ = 114857827200. Its totient is φ = 5682493440.

The previous prime is 26939039383. The next prime is 26939039411. The reversal of 26939039400 is 493093962.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6386092 + ... + 6390308.

It is an arithmetic number, because the mean of its divisors is an integer number (199405950).

Almost surely, 2^26939039400 is an apocalyptic number.

26939039400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26939039400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57428913600).

26939039400 is an abundant number, since it is smaller than the sum of its proper divisors (87918787800).

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

26939039400 is a wasteful number, since it uses less digits than its factorization.

26939039400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The spelling of 26939039400 in words is "twenty-six billion, nine hundred thirty-nine million, thirty-nine thousand, four hundred".