400245140002 has 8 divisors (see below), whose sum is σ = 600385314816. Its totient is φ = 200116701732.

The previous prime is 400245139993. The next prime is 400245140017. The reversal of 400245140002 is 200041542004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848378 + ... + 2985589.

It is an arithmetic number, because the mean of its divisors is an integer number (75048164352).

Almost surely, 2^400245140002 is an apocalyptic number.

400245140002 is a deficient number, since it is larger than the sum of its proper divisors (200140174814).

400245140002 is a wasteful number, since it uses less digits than its factorization.

400245140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868272.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 400245140002 its reverse (200041542004), we get a palindrome (600286682006).

The spelling of 400245140002 in words is "four hundred billion, two hundred forty-five million, one hundred forty thousand, two".