26872338494040 has 128 divisors (see below), whose sum is σ = 89618915635200. Its totient is φ = 6401351093760.

The previous prime is 26872338493981. The next prime is 26872338494063. The reversal of 26872338494040 is 4049483327862.

It is a happy number.

It is a super-2 number, since 2×26872338494040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277788060 + ... + 277884779.

It is an arithmetic number, because the mean of its divisors is an integer number (700147778400).

Almost surely, 2^{26872338494040} is an apocalyptic number.

26872338494040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26872338494040 is an abundant number, since it is smaller than the sum of its proper divisors (62746577141160).

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

26872338494040 is a wasteful number, since it uses less digits than its factorization.

26872338494040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555672897 (or 555672893 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 60.

The spelling of 26872338494040 in words is "twenty-six trillion, eight hundred seventy-two billion, three hundred thirty-eight million, four hundred ninety-four thousand, forty".