40253101280 has 96 divisors (see below), whose sum is σ = 108745447104. Its totient is φ = 13793181696.

The previous prime is 40253101267. The next prime is 40253101283. The reversal of 40253101280 is 8210135204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253101283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155664 + ... + 2174256.

It is an arithmetic number, because the mean of its divisors is an integer number (1132765074).

Almost surely, 2^40253101280 is an apocalyptic number.

40253101280 is a gapful number since it is divisible by the number (40) 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 40253101280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54372723552).

40253101280 is an abundant number, since it is smaller than the sum of its proper divisors (68492345824).

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

40253101280 is a wasteful number, since it uses less digits than its factorization.

40253101280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20548 (or 20540 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 40253101280 its reverse (8210135204), we get a palindrome (48463236484).

The spelling of 40253101280 in words is "forty billion, two hundred fifty-three million, one hundred one thousand, two hundred eighty".