26201633472040 has 64 divisors (see below), whose sum is σ = 63582353548560. Its totient is φ = 9660158976000.

The previous prime is 26201633472023. The next prime is 26201633472059. The reversal of 26201633472040 is 4027433610262.

It can be written as a sum of positive squares in 8 ways, for example, as 5960326538884 + 20241306933156 = 2441378^2 + 4499034^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 26201633471984 and 26201633472002.

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, 36861961 + ... + 37566040.

Almost surely, 2^{26201633472040} is an apocalyptic number.

26201633472040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26201633472040 is an abundant number, since it is smaller than the sum of its proper divisors (37380720076520).

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

26201633472040 is a wasteful number, since it uses less digits than its factorization.

26201633472040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74428702 (or 74428698 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 26201633472040 in words is "twenty-six trillion, two hundred one billion, six hundred thirty-three million, four hundred seventy-two thousand, forty".