400543014552542 has 8 divisors (see below), whose sum is σ = 604133939077032. Its totient is φ = 199165034860200.

The previous prime is 400543014552523. The next prime is 400543014552631. The reversal of 400543014552542 is 245255410345004.

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 = 400543014552493 and 400543014552502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553236207584 + ... + 553236208307.

It is an arithmetic number, because the mean of its divisors is an integer number (75516742384629).

Almost surely, 2^{400543014552542} is an apocalyptic number.

400543014552542 is a deficient number, since it is larger than the sum of its proper divisors (203590924524490).

400543014552542 is a wasteful number, since it uses less digits than its factorization.

400543014552542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106472416074.

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 400543014552542 its reverse (245255410345004), we get a palindrome (645798424897546).

The spelling of 400543014552542 in words is "four hundred trillion, five hundred forty-three billion, fourteen million, five hundred fifty-two thousand, five hundred forty-two".