400572467 has 2 divisors, whose sum is σ = 400572468. Its totient is φ = 400572466.

The previous prime is 400572451. The next prime is 400572509. The reversal of 400572467 is 764275004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400572467 - 2⁴ = 400572451 is a prime.

It is not a weakly prime, because it can be changed into another prime (400572427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200286233 + 200286234.

It is an arithmetic number, because the mean of its divisors is an integer number (200286234).

Almost surely, 2^400572467 is an apocalyptic number.

400572467 is a deficient number, since it is larger than the sum of its proper divisors (1).

400572467 is an equidigital number, since it uses as much as digits as its factorization.

400572467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 400572467 is about 20014.3065580599. The cubic root of 400572467 is about 737.1576299205.

It can be divided in two parts, 40057 and 2467, that added together give a palindrome (42524).

The spelling of 400572467 in words is "four hundred million, five hundred seventy-two thousand, four hundred sixty-seven".