400153405342 has 8 divisors (see below), whose sum is σ = 606974266800. Its totient is φ = 197828649744.

The previous prime is 400153405291. The next prime is 400153405343. The reversal of 400153405342 is 243504351004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400153405343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124026242 + ... + 1124026597.

It is an arithmetic number, because the mean of its divisors is an integer number (75871783350).

Almost surely, 2^400153405342 is an apocalyptic number.

400153405342 is a deficient number, since it is larger than the sum of its proper divisors (206820861458).

400153405342 is a wasteful number, since it uses less digits than its factorization.

400153405342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248052930.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 400153405342 its reverse (243504351004), we get a palindrome (643657756346).

The spelling of 400153405342 in words is "four hundred billion, one hundred fifty-three million, four hundred five thousand, three hundred forty-two".