400312964742 has 16 divisors (see below), whose sum is σ = 800987739120. Its totient is φ = 133377353312.

The previous prime is 400312964731. The next prime is 400312964743. The reversal of 400312964742 is 247469213004.

It is a junction number, because it is equal to n+sod(n) for n = 400312964694 and 400312964703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400312964743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15061017 + ... + 15087572.

It is an arithmetic number, because the mean of its divisors is an integer number (50061733695).

Almost surely, 2^400312964742 is an apocalyptic number.

400312964742 is an abundant number, since it is smaller than the sum of its proper divisors (400674774378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400312964742 is a wasteful number, since it uses less digits than its factorization.

400312964742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30150807.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 400312964742 in words is "four hundred billion, three hundred twelve million, nine hundred sixty-four thousand, seven hundred forty-two".