400475302004 has 6 divisors (see below), whose sum is σ = 700831778514. Its totient is φ = 200237651000.

The previous prime is 400475301991. The next prime is 400475302027. The reversal of 400475302004 is 400203574004.

It can be written as a sum of positive squares in only one way, i.e., 384216501904 + 16258800100 = 619852^2 + 127510^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50059412747 + ... + 50059412754.

It is an arithmetic number, because the mean of its divisors is an integer number (116805296419).

Almost surely, 2^400475302004 is an apocalyptic number.

It is an amenable number.

400475302004 is a deficient number, since it is larger than the sum of its proper divisors (300356476510).

400475302004 is a wasteful number, since it uses less digits than its factorization.

400475302004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100118825505 (or 100118825503 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

Adding to 400475302004 its reverse (400203574004), we get a palindrome (800678876008).

The spelling of 400475302004 in words is "four hundred billion, four hundred seventy-five million, three hundred two thousand, four".