400433120142 has 32 divisors (see below), whose sum is σ = 873999742464. Its totient is φ = 121297886400.

The previous prime is 400433120137. The next prime is 400433120161. The reversal of 400433120142 is 241021334004.

It is a super-2 number, since 2×400433120142² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 959463 + ... + 1312034.

It is an arithmetic number, because the mean of its divisors is an integer number (27312491952).

Almost surely, 2^400433120142 is an apocalyptic number.

400433120142 is an abundant number, since it is smaller than the sum of its proper divisors (473566622322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400433120142 is a wasteful number, since it uses less digits than its factorization.

400433120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274184.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 400433120142 its reverse (241021334004), we get a palindrome (641454454146).

The spelling of 400433120142 in words is "four hundred billion, four hundred thirty-three million, one hundred twenty thousand, one hundred forty-two".