40231682481554 has 8 divisors (see below), whose sum is σ = 60348493923660. Its totient is φ = 20115517840336.

The previous prime is 40231682481539. The next prime is 40231682481559. The reversal of 40231682481554 is 45518428613204.

It can be written as a sum of positive squares in 2 ways, for example, as 32131835565025 + 8099846916529 = 5668495^2 + 2846023^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40231682481496 and 40231682481505.

It is not an unprimeable number, because it can be changed into a prime (40231682481559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161544689 + ... + 161793540.

Almost surely, 2^{40231682481554} is an apocalyptic number.

40231682481554 is a deficient number, since it is larger than the sum of its proper divisors (20116811442106).

40231682481554 is a wasteful number, since it uses less digits than its factorization.

40231682481554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323400444.

The product of its (nonzero) digits is 7372800, while the sum is 53.

The spelling of 40231682481554 in words is "forty trillion, two hundred thirty-one billion, six hundred eighty-two million, four hundred eighty-one thousand, five hundred fifty-four".