40131025000 has 96 divisors (see below), whose sum is σ = 102601870560. Its totient is φ = 14593000000.

The previous prime is 40131024943. The next prime is 40131025001. The reversal of 40131025000 is 52013104.

It is a super-2 number, since 2×40131025000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131025001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202035 + ... + 347965.

It is an arithmetic number, because the mean of its divisors is an integer number (1068769485).

Almost surely, 2^40131025000 is an apocalyptic number.

40131025000 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 40131025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51300935280).

40131025000 is an abundant number, since it is smaller than the sum of its proper divisors (62470845560).

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

40131025000 is a wasteful number, since it uses less digits than its factorization.

40131025000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145973 (or 145949 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 40131025000 its reverse (52013104), we get a palindrome (40183038104).

The spelling of 40131025000 in words is "forty billion, one hundred thirty-one million, twenty-five thousand".