400244102 has 4 divisors (see below), whose sum is σ = 600366156. Its totient is φ = 200122050.

The previous prime is 400244083. The next prime is 400244149. The reversal of 400244102 is 201442004.

It is a semiprime because it is the product of two primes.

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, 100061024 + ... + 100061027.

It is an arithmetic number, because the mean of its divisors is an integer number (150091539).

Almost surely, 2^400244102 is an apocalyptic number.

400244102 is a deficient number, since it is larger than the sum of its proper divisors (200122054).

400244102 is a wasteful number, since it uses less digits than its factorization.

400244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200122053.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 400244102 is about 20006.1016192561. The cubic root of 400244102 is about 736.9561491596.

Adding to 400244102 its reverse (201442004), we get a palindrome (601686106).

The spelling of 400244102 in words is "four hundred million, two hundred forty-four thousand, one hundred two".