26450156040 has 512 divisors, whose sum is σ = 103195607040. Its totient is φ = 5263027200.

The previous prime is 26450156023. The next prime is 26450156059. The reversal of 26450156040 is 4065105462.

It is a super-2 number, since 2×26450156040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 26450155992 and 26450156010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30648649 + ... + 30649511.

It is an arithmetic number, because the mean of its divisors is an integer number (201553920).

Almost surely, 2^26450156040 is an apocalyptic number.

26450156040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26450156040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51597803520).

26450156040 is an abundant number, since it is smaller than the sum of its proper divisors (76745451000).

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

26450156040 is a wasteful number, since it uses less digits than its factorization.

26450156040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 26450156040 in words is "twenty-six billion, four hundred fifty million, one hundred fifty-six thousand, forty".