1190500026438 has 16 divisors (see below), whose sum is σ = 2385056278080. Its totient is φ = 396157304616.

The previous prime is 1190500026433. The next prime is 1190500026449. The reversal of 1190500026438 is 8346200050911.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1190500026396 and 1190500026405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190500026433) 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, 169005568 + ... + 169012611.

It is an arithmetic number, because the mean of its divisors is an integer number (149066017380).

Almost surely, 2^{1190500026438} is an apocalyptic number.

1190500026438 is an abundant number, since it is smaller than the sum of its proper divisors (1194556251642).

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

1190500026438 is a wasteful number, since it uses less digits than its factorization.

1190500026438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338018771.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 1190500026438 in words is "one trillion, one hundred ninety billion, five hundred million, twenty-six thousand, four hundred thirty-eight".