40131275250 has 256 divisors, whose sum is σ = 116231791104. Its totient is φ = 9114624000.

The previous prime is 40131275237. The next prime is 40131275251. The reversal of 40131275250 is 5257213104.

It is a super-2 number, since 2×40131275250² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40131275251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 38848734 + ... + 38849766.

It is an arithmetic number, because the mean of its divisors is an integer number (454030434).

Almost surely, 2^40131275250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40131275250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58115895552).

40131275250 is an abundant number, since it is smaller than the sum of its proper divisors (76100515854).

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

40131275250 is a wasteful number, since it uses less digits than its factorization.

40131275250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 40131275250 its reverse (5257213104), we get a palindrome (45388488354).

The spelling of 40131275250 in words is "forty billion, one hundred thirty-one million, two hundred seventy-five thousand, two hundred fifty".