400467321145 has 32 divisors (see below), whose sum is σ = 493060119552. Its totient is φ = 312082448832.

The previous prime is 400467321143. The next prime is 400467321223. The reversal of 400467321145 is 541123764004.

It is a cyclic number.

It is not a de Polignac number, because 400467321145 - 2¹ = 400467321143 is a prime.

It is a super-2 number, since 2×400467321145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400467321143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181781614 + ... + 181783816.

It is an arithmetic number, because the mean of its divisors is an integer number (15408128736).

Almost surely, 2^400467321145 is an apocalyptic number.

It is an amenable number.

400467321145 is a deficient number, since it is larger than the sum of its proper divisors (92592798407).

400467321145 is a wasteful number, since it uses less digits than its factorization.

400467321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 400467321145 in words is "four hundred billion, four hundred sixty-seven million, three hundred twenty-one thousand, one hundred forty-five".