400320022031342 has 8 divisors (see below), whose sum is σ = 686262894910896. Its totient is φ = 171565723727712.

The previous prime is 400320022031339. The next prime is 400320022031351. The reversal of 400320022031342 is 243130220023004.

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

It is a super-2 number, since 2×400320022031342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14297143643963 + ... + 14297143643990.

It is an arithmetic number, because the mean of its divisors is an integer number (85782861863862).

Almost surely, 2^{400320022031342} is an apocalyptic number.

400320022031342 is a deficient number, since it is larger than the sum of its proper divisors (285942872879554).

400320022031342 is a wasteful number, since it uses less digits than its factorization.

400320022031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594287287962.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 400320022031342 its reverse (243130220023004), we get a palindrome (643450242054346).

The spelling of 400320022031342 in words is "four hundred trillion, three hundred twenty billion, twenty-two million, thirty-one thousand, three hundred forty-two".