400443440102 has 8 divisors (see below), whose sum is σ = 600676035312. Its totient is φ = 200218095000.

The previous prime is 400443440101. The next prime is 400443440147. The reversal of 400443440102 is 201044344004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400443440101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672274 + ... + 1896677.

It is an arithmetic number, because the mean of its divisors is an integer number (75084504414).

Almost surely, 2^400443440102 is an apocalyptic number.

400443440102 is a deficient number, since it is larger than the sum of its proper divisors (200232595210).

400443440102 is a wasteful number, since it uses less digits than its factorization.

400443440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625054.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400443440102 its reverse (201044344004), we get a palindrome (601487784106).

The spelling of 400443440102 in words is "four hundred billion, four hundred forty-three million, four hundred forty thousand, one hundred two".