400048102 has 4 divisors (see below), whose sum is σ = 600072156. Its totient is φ = 200024050.

The previous prime is 400048057. The next prime is 400048133. The reversal of 400048102 is 201840004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 400048102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100012024 + ... + 100012027.

It is an arithmetic number, because the mean of its divisors is an integer number (150018039).

Almost surely, 2^400048102 is an apocalyptic number.

400048102 is a deficient number, since it is larger than the sum of its proper divisors (200024054).

400048102 is a wasteful number, since it uses less digits than its factorization.

400048102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200024053.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 400048102 is about 20001.2025138490. The cubic root of 400048102 is about 736.8358334248.

Adding to 400048102 its reverse (201840004), we get a palindrome (601888106).

The spelling of 400048102 in words is "four hundred million, forty-eight thousand, one hundred two".