400151650001 has 4 divisors (see below), whose sum is σ = 423689982372. Its totient is φ = 376613317632.

The previous prime is 400151649881. The next prime is 400151650013. The reversal of 400151650001 is 100056151004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 359788830976 + 40362819025 = 599824^2 + 200905^2 .

It is a cyclic number.

It is not a de Polignac number, because 400151650001 - 2¹⁰ = 400151648977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400151650081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11769166160 + ... + 11769166193.

It is an arithmetic number, because the mean of its divisors is an integer number (105922495593).

Almost surely, 2^400151650001 is an apocalyptic number.

It is an amenable number.

400151650001 is a deficient number, since it is larger than the sum of its proper divisors (23538332371).

400151650001 is a wasteful number, since it uses less digits than its factorization.

400151650001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538332370.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 400151650001 in words is "four hundred billion, one hundred fifty-one million, six hundred fifty thousand, one".