40401131450 has 24 divisors (see below), whose sum is σ = 76978940220. Its totient is φ = 15766294400.

The previous prime is 40401131437. The next prime is 40401131453. The reversal of 40401131450 is 5413110404.

It can be written as a sum of positive squares in 6 ways, for example, as 4799856961 + 35601274489 = 69281^2 + 188683^2 .

It is not an unprimeable number, because it can be changed into a prime (40401131453) 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 11 ways as a sum of consecutive naturals, for example, 9851885 + ... + 9855984.

Almost surely, 2^40401131450 is an apocalyptic number.

40401131450 is a deficient number, since it is larger than the sum of its proper divisors (36577808770).

40401131450 is a wasteful number, since it uses less digits than its factorization.

40401131450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19707922 (or 19707917 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 40401131450 its reverse (5413110404), we get a palindrome (45814241854).

The spelling of 40401131450 in words is "forty billion, four hundred one million, one hundred thirty-one thousand, four hundred fifty".