26678030190 has 64 divisors (see below), whose sum is σ = 73209498624. Its totient is φ = 6094879488.

The previous prime is 26678030173. The next prime is 26678030209. The reversal of 26678030190 is 9103087662.

It is a happy number.

It is a super-3 number, since 3×26678030190³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419047 + ... + 478493.

It is an arithmetic number, because the mean of its divisors is an integer number (1143898416).

Almost surely, 2^26678030190 is an apocalyptic number.

26678030190 is an abundant number, since it is smaller than the sum of its proper divisors (46531468434).

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

26678030190 is a wasteful number, since it uses less digits than its factorization.

26678030190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61601.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 26678030190 in words is "twenty-six billion, six hundred seventy-eight million, thirty thousand, one hundred ninety".