26142257221432 has 32 divisors (see below), whose sum is σ = 54379117497600. Its totient is φ = 11681440050400.

The previous prime is 26142257221411. The next prime is 26142257221441. The reversal of 26142257221432 is 23412275224162.

It is a super-2 number, since 2×26142257221432² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517546544 + ... + 2517556927.

It is an arithmetic number, because the mean of its divisors is an integer number (1699347421800).

Almost surely, 2^{26142257221432} is an apocalyptic number.

26142257221432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26142257221432 is an abundant number, since it is smaller than the sum of its proper divisors (28236860276168).

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

26142257221432 is a wasteful number, since it uses less digits than its factorization.

26142257221432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035103547 (or 5035103543 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The spelling of 26142257221432 in words is "twenty-six trillion, one hundred forty-two billion, two hundred fifty-seven million, two hundred twenty-one thousand, four hundred thirty-two".