400424130154 has 8 divisors (see below), whose sum is σ = 621347788260. Its totient is φ = 193308200736.

The previous prime is 400424130143. The next prime is 400424130179. The reversal of 400424130154 is 451031424004.

It can be written as a sum of positive squares in 2 ways, for example, as 346481745129 + 53942385025 = 588627^2 + 232255^2 .

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, 3451932099 + ... + 3451932214.

Almost surely, 2^400424130154 is an apocalyptic number.

400424130154 is a deficient number, since it is larger than the sum of its proper divisors (220923658106).

400424130154 is a wasteful number, since it uses less digits than its factorization.

400424130154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903864344.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 400424130154 its reverse (451031424004), we get a palindrome (851455554158).

The spelling of 400424130154 in words is "four hundred billion, four hundred twenty-four million, one hundred thirty thousand, one hundred fifty-four".