400202006 has 4 divisors (see below), whose sum is σ = 600303012. Its totient is φ = 200101002.

The previous prime is 400201979. The next prime is 400202017. The reversal of 400202006 is 600202004.

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, 100050500 + ... + 100050503.

It is an arithmetic number, because the mean of its divisors is an integer number (150075753).

Almost surely, 2^400202006 is an apocalyptic number.

400202006 is a deficient number, since it is larger than the sum of its proper divisors (200101006).

400202006 is a wasteful number, since it uses less digits than its factorization.

400202006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200101005.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 400202006 is about 20005.0495125606. The cubic root of 400202006 is about 736.9303115990.

The spelling of 400202006 in words is "four hundred million, two hundred two thousand, six".