26143406904 has 16 divisors (see below), whose sum is σ = 65358517320. Its totient is φ = 8714468960.

The previous prime is 26143406899. The next prime is 26143406951. The reversal of 26143406904 is 40960434162.

It is a super-2 number, since 2×26143406904² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 544654287 + ... + 544654334.

Almost surely, 2^26143406904 is an apocalyptic number.

26143406904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26143406904 is an abundant number, since it is smaller than the sum of its proper divisors (39215110416).

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

26143406904 is a wasteful number, since it uses less digits than its factorization.

26143406904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089308630 (or 1089308626 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 26143406904 in words is "twenty-six billion, one hundred forty-three million, four hundred six thousand, nine hundred four".