400413431354342 has 32 divisors (see below), whose sum is σ = 687191369702400. Its totient is φ = 171413754771168.

The previous prime is 400413431354297. The next prime is 400413431354353. The reversal of 400413431354342 is 243453134314004.

It is a self number, because there is not a number n which added to its sum of digits gives 400413431354342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53304884 + ... + 60350952.

It is an arithmetic number, because the mean of its divisors is an integer number (21474730303200).

Almost surely, 2^{400413431354342} is an apocalyptic number.

400413431354342 is a deficient number, since it is larger than the sum of its proper divisors (286777938348058).

400413431354342 is a wasteful number, since it uses less digits than its factorization.

400413431354342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050620.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 400413431354342 its reverse (243453134314004), we get a palindrome (643866565668346).

The spelling of 400413431354342 in words is "four hundred trillion, four hundred thirteen billion, four hundred thirty-one million, three hundred fifty-four thousand, three hundred forty-two".