40401131454 has 32 divisors (see below), whose sum is σ = 91120304640. Its totient is φ = 13266041976.

The previous prime is 40401131453. The next prime is 40401131467. The reversal of 40401131454 is 45413110404.

40401131454 is a `hidden beast` number, since 40 + 40 + 1 + 131 + 454 = 666.

40401131454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5579734 + ... + 5586969.

It is an arithmetic number, because the mean of its divisors is an integer number (2847509520).

Almost surely, 2^40401131454 is an apocalyptic number.

40401131454 is an abundant number, since it is smaller than the sum of its proper divisors (50719173186).

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

40401131454 is a wasteful number, since it uses less digits than its factorization.

40401131454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166781 (or 11166775 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 40401131454 its reverse (45413110404), we get a palindrome (85814241858).

The spelling of 40401131454 in words is "forty billion, four hundred one million, one hundred thirty-one thousand, four hundred fifty-four".