400245124654 has 8 divisors (see below), whose sum is σ = 635683433328. Its totient is φ = 188350646880.

The previous prime is 400245124639. The next prime is 400245124661. The reversal of 400245124654 is 456421542004.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5885957682 + ... + 5885957749.

It is an arithmetic number, because the mean of its divisors is an integer number (79460429166).

Almost surely, 2^400245124654 is an apocalyptic number.

400245124654 is a deficient number, since it is larger than the sum of its proper divisors (235438308674).

400245124654 is a wasteful number, since it uses less digits than its factorization.

400245124654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771915450.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 400245124654 its reverse (456421542004), we get a palindrome (856666666658).

The spelling of 400245124654 in words is "four hundred billion, two hundred forty-five million, one hundred twenty-four thousand, six hundred fifty-four".