400113002 has 4 divisors (see below), whose sum is σ = 600169506. Its totient is φ = 200056500.

The previous prime is 400112983. The next prime is 400113017. The reversal of 400113002 is 200311004.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 361038001 + 39075001 = 19001^2 + 6251^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100028249 + ... + 100028252.

Almost surely, 2^400113002 is an apocalyptic number.

400113002 is a deficient number, since it is larger than the sum of its proper divisors (200056504).

400113002 is a wasteful number, since it uses less digits than its factorization.

400113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200056503.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 400113002 is about 20002.8248505055. The cubic root of 400113002 is about 736.8756770166.

Adding to 400113002 its reverse (200311004), we get a palindrome (600424006).

The spelling of 400113002 in words is "four hundred million, one hundred thirteen thousand, two".