400202240204 has 48 divisors (see below), whose sum is σ = 778700272896. Its totient is φ = 178717536000.

The previous prime is 400202240183. The next prime is 400202240239. The reversal of 400202240204 is 402042202004.

It is a super-2 number, since 2×400202240204² (a number of 24 digits) contains 22 as substring.

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, 10163354 + ... + 10202654.

It is an arithmetic number, because the mean of its divisors is an integer number (16222922352).

Almost surely, 2^400202240204 is an apocalyptic number.

It is an amenable number.

400202240204 is a deficient number, since it is larger than the sum of its proper divisors (378498032692).

400202240204 is a wasteful number, since it uses less digits than its factorization.

400202240204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45666 (or 45664 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 400202240204 its reverse (402042202004), we get a palindrome (802244442208).

The spelling of 400202240204 in words is "four hundred billion, two hundred two million, two hundred forty thousand, two hundred four".