40401131451 has 8 divisors (see below), whose sum is σ = 54165790224. Its totient is φ = 26785280160.

The previous prime is 40401131437. The next prime is 40401131453. The reversal of 40401131451 is 15413110404.

It is a happy number.

40401131451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40401131451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40401131453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37201236 + ... + 37202321.

It is an arithmetic number, because the mean of its divisors is an integer number (6770723778).

Almost surely, 2^40401131451 is an apocalyptic number.

40401131451 is a deficient number, since it is larger than the sum of its proper divisors (13764658773).

40401131451 is a wasteful number, since it uses less digits than its factorization.

40401131451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74403741.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 40401131451 its reverse (15413110404), we get a palindrome (55814241855).

The spelling of 40401131451 in words is "forty billion, four hundred one million, one hundred thirty-one thousand, four hundred fifty-one".