400467438011 has 2 divisors, whose sum is σ = 400467438012. Its totient is φ = 400467438010.

The previous prime is 400467437983. The next prime is 400467438017. The reversal of 400467438011 is 110834764004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400467438011 - 2⁶ = 400467437947 is a prime.

It is a super-2 number, since 2×400467438011² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (400467438017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200233719005 + 200233719006.

It is an arithmetic number, because the mean of its divisors is an integer number (200233719006).

Almost surely, 2^400467438011 is an apocalyptic number.

400467438011 is a deficient number, since it is larger than the sum of its proper divisors (1).

400467438011 is an equidigital number, since it uses as much as digits as its factorization.

400467438011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 400467438011 in words is "four hundred billion, four hundred sixty-seven million, four hundred thirty-eight thousand, eleven".