400235102 has 4 divisors (see below), whose sum is σ = 600352656. Its totient is φ = 200117550.

The previous prime is 400235089. The next prime is 400235107. The reversal of 400235102 is 201532004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400235107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100058774 + ... + 100058777.

It is an arithmetic number, because the mean of its divisors is an integer number (150088164).

Almost surely, 2^400235102 is an apocalyptic number.

400235102 is a deficient number, since it is larger than the sum of its proper divisors (200117554).

400235102 is a wasteful number, since it uses less digits than its factorization.

400235102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200117553.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 400235102 is about 20005.8766866139. The cubic root of 400235102 is about 736.9506253180.

Adding to 400235102 its reverse (201532004), we get a palindrome (601767106).

The spelling of 400235102 in words is "four hundred million, two hundred thirty-five thousand, one hundred two".