400003203342 has 16 divisors (see below), whose sum is σ = 800028766800. Its totient is φ = 133330674432.

The previous prime is 400003203337. The next prime is 400003203373. The reversal of 400003203342 is 243302300004.

It is a super-2 number, since 2×400003203342² (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 7 ways as a sum of consecutive naturals, for example, 694467 + ... + 1132382.

It is an arithmetic number, because the mean of its divisors is an integer number (50001797925).

Almost surely, 2^400003203342 is an apocalyptic number.

400003203342 is an abundant number, since it is smaller than the sum of its proper divisors (400025563458).

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

400003203342 is a wasteful number, since it uses less digits than its factorization.

400003203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863347.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 400003203342 its reverse (243302300004), we get a palindrome (643305503346).

The spelling of 400003203342 in words is "four hundred billion, three million, two hundred three thousand, three hundred forty-two".