400542442350134 has 24 divisors (see below), whose sum is σ = 698906781744408. Its totient is φ = 171660778628640.

The previous prime is 400542442350101. The next prime is 400542442350161. The reversal of 400542442350134 is 431053244245004.

It is a junction number, because it is equal to n+sod(n) for n = 400542442350091 and 400542442350100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67921577 + ... + 73582779.

It is an arithmetic number, because the mean of its divisors is an integer number (29121115906017).

Almost surely, 2^{400542442350134} is an apocalyptic number.

400542442350134 is a deficient number, since it is larger than the sum of its proper divisors (298364339394274).

400542442350134 is a wasteful number, since it uses less digits than its factorization.

400542442350134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383180 (or 6383173 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 400542442350134 its reverse (431053244245004), we get a palindrome (831595686595138).

The spelling of 400542442350134 in words is "four hundred trillion, five hundred forty-two billion, four hundred forty-two million, three hundred fifty thousand, one hundred thirty-four".