26600420190 has 32 divisors (see below), whose sum is σ = 64269482400. Its totient is φ = 7045837184.

The previous prime is 26600420159. The next prime is 26600420219. The reversal of 26600420190 is 9102400662.

It is a super-2 number, since 2×26600420190² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970969 + ... + 2979908.

It is an arithmetic number, because the mean of its divisors is an integer number (2008421325).

Almost surely, 2^26600420190 is an apocalyptic number.

26600420190 is an abundant number, since it is smaller than the sum of its proper divisors (37669062210).

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

26600420190 is a wasteful number, since it uses less digits than its factorization.

26600420190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951036.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 26600420190 in words is "twenty-six billion, six hundred million, four hundred twenty thousand, one hundred ninety".