400425152135 has 8 divisors (see below), whose sum is σ = 480517438320. Its totient is φ = 320335284544.

The previous prime is 400425152131. The next prime is 400425152219. The reversal of 400425152135 is 531251524004.

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

It is a cyclic number.

It is not a de Polignac number, because 400425152135 - 2² = 400425152131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400425152131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217925 + ... + 921054.

It is an arithmetic number, because the mean of its divisors is an integer number (60064679790).

Almost surely, 2^400425152135 is an apocalyptic number.

400425152135 is a deficient number, since it is larger than the sum of its proper divisors (80092286185).

400425152135 is a wasteful number, since it uses less digits than its factorization.

400425152135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209297.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 400425152135 its reverse (531251524004), we get a palindrome (931676676139).

The spelling of 400425152135 in words is "four hundred billion, four hundred twenty-five million, one hundred fifty-two thousand, one hundred thirty-five".