400211011442 has 8 divisors (see below), whose sum is σ = 654890746032. Its totient is φ = 181914096100.

The previous prime is 400211011429. The next prime is 400211011463. The reversal of 400211011442 is 244110112004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095704784 + ... + 9095704827.

It is an arithmetic number, because the mean of its divisors is an integer number (81861343254).

Almost surely, 2^400211011442 is an apocalyptic number.

400211011442 is a deficient number, since it is larger than the sum of its proper divisors (254679734590).

400211011442 is a wasteful number, since it uses less digits than its factorization.

400211011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191409624.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 400211011442 its reverse (244110112004), we get a palindrome (644321123446).

The spelling of 400211011442 in words is "four hundred billion, two hundred eleven million, eleven thousand, four hundred forty-two".