406740036674 has 16 divisors (see below), whose sum is σ = 633494633400. Its totient is φ = 195627298944.

The previous prime is 406740036671. The next prime is 406740036713. The reversal of 406740036674 is 476630047604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 255141163225 + 151598873449 = 505115^2 + 389357^2 .

It is not an unprimeable number, because it can be changed into a prime (406740036671) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13019267 + ... + 13050470.

Almost surely, 2^406740036674 is an apocalyptic number.

406740036674 is a deficient number, since it is larger than the sum of its proper divisors (226754596726).

406740036674 is a wasteful number, since it uses less digits than its factorization.

406740036674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26070037.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 406740036674 in words is "four hundred six billion, seven hundred forty million, thirty-six thousand, six hundred seventy-four".