40154324531 has 16 divisors (see below), whose sum is σ = 42454886400. Its totient is φ = 37900550688.

The previous prime is 40154324477. The next prime is 40154324563. The reversal of 40154324531 is 13542345104.

40154324531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40154324531 - 2⁶ = 40154324467 is a prime.

It is a super-2 number, since 2×40154324531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40154324731) 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, 3786785 + ... + 3797373.

It is an arithmetic number, because the mean of its divisors is an integer number (2653430400).

Almost surely, 2^40154324531 is an apocalyptic number.

40154324531 is a deficient number, since it is larger than the sum of its proper divisors (2300561869).

40154324531 is a wasteful number, since it uses less digits than its factorization.

40154324531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40154324531 its reverse (13542345104), we get a palindrome (53696669635).

The spelling of 40154324531 in words is "forty billion, one hundred fifty-four million, three hundred twenty-four thousand, five hundred thirty-one".