400103242 has 32 divisors (see below), whose sum is σ = 757739520. Its totient is φ = 153906480.

The previous prime is 400103219. The next prime is 400103251. The reversal of 400103242 is 242301004.

It is a super-3 number, since 3×400103242³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4278 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (23679360).

Almost surely, 2^400103242 is an apocalyptic number.

400103242 is a deficient number, since it is larger than the sum of its proper divisors (357636278).

400103242 is a wasteful number, since it uses less digits than its factorization.

400103242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32986.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400103242 is about 20002.5808834760. The cubic root of 400103242 is about 736.8696854050.

Adding to 400103242 its reverse (242301004), we get a palindrome (642404246).

The spelling of 400103242 in words is "four hundred million, one hundred three thousand, two hundred forty-two".