40388460346 has 16 divisors (see below), whose sum is σ = 65888871048. Its totient is φ = 18456264000.

The previous prime is 40388460331. The next prime is 40388460383. The reversal of 40388460346 is 64306488304.

It can be written as a sum of positive squares in 4 ways, for example, as 36791459721 + 3597000625 = 191811^2 + 59975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40388460296 and 40388460305.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7687485 + ... + 7692736.

Almost surely, 2^40388460346 is an apocalyptic number.

40388460346 is a deficient number, since it is larger than the sum of its proper divisors (25500410702).

40388460346 is a wasteful number, since it uses less digits than its factorization.

40388460346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380337.

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 40388460346 in words is "forty billion, three hundred eighty-eight million, four hundred sixty thousand, three hundred forty-six".