400737340034 has 4 divisors (see below), whose sum is σ = 601106010054. Its totient is φ = 200368670016.

The previous prime is 400737340013. The next prime is 400737340057. The reversal of 400737340034 is 430043737004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 390168883225 + 10568456809 = 624635^2 + 102803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400737339976 and 400737340003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100184335007 + ... + 100184335010.

Almost surely, 2^400737340034 is an apocalyptic number.

400737340034 is a deficient number, since it is larger than the sum of its proper divisors (200368670020).

400737340034 is a wasteful number, since it uses less digits than its factorization.

400737340034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200368670019.

The product of its (nonzero) digits is 84672, while the sum is 35.

The spelling of 400737340034 in words is "four hundred billion, seven hundred thirty-seven million, three hundred forty thousand, thirty-four".