400434142030 has 32 divisors (see below), whose sum is σ = 776660522400. Its totient is φ = 147769875072.

The previous prime is 400434141973. The next prime is 400434142057. The reversal of 400434142030 is 30241434004.

It is a junction number, because it is equal to n+sod(n) for n = 400434141986 and 400434142004.

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 15 ways as a sum of consecutive naturals, for example, 628320 + ... + 1093459.

It is an arithmetic number, because the mean of its divisors is an integer number (24270641325).

Almost surely, 2^400434142030 is an apocalyptic number.

400434142030 is a deficient number, since it is larger than the sum of its proper divisors (376226380370).

400434142030 is a wasteful number, since it uses less digits than its factorization.

400434142030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723588.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 400434142030 its reverse (30241434004), we get a palindrome (430675576034).

The spelling of 400434142030 in words is "four hundred billion, four hundred thirty-four million, one hundred forty-two thousand, thirty".