400142313235 has 16 divisors (see below), whose sum is σ = 551552227776. Its totient is φ = 272990487168.

The previous prime is 400142313211. The next prime is 400142313247. The reversal of 400142313235 is 532313241004.

It is a happy number.

It is not a de Polignac number, because 400142313235 - 2²¹ = 400140216083 is a prime.

It is a super-2 number, since 2×400142313235² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 29009952 + ... + 29023741.

It is an arithmetic number, because the mean of its divisors is an integer number (34472014236).

Almost surely, 2^400142313235 is an apocalyptic number.

400142313235 is a deficient number, since it is larger than the sum of its proper divisors (151409914541).

400142313235 is a wasteful number, since it uses less digits than its factorization.

400142313235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58033902.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 400142313235 its reverse (532313241004), we get a palindrome (932455554239).

The spelling of 400142313235 in words is "four hundred billion, one hundred forty-two million, three hundred thirteen thousand, two hundred thirty-five".