400450035242 has 16 divisors (see below), whose sum is σ = 636074052480. Its totient is φ = 188427764928.

The previous prime is 400450035203. The next prime is 400450035253. The reversal of 400450035242 is 242530054004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264008 + ... + 933059.

It is an arithmetic number, because the mean of its divisors is an integer number (39754628280).

Almost surely, 2^400450035242 is an apocalyptic number.

400450035242 is a deficient number, since it is larger than the sum of its proper divisors (235624017238).

400450035242 is a wasteful number, since it uses less digits than its factorization.

400450035242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206925.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 400450035242 its reverse (242530054004), we get a palindrome (642980089246).

The spelling of 400450035242 in words is "four hundred billion, four hundred fifty million, thirty-five thousand, two hundred forty-two".