40371916546 has 16 divisors (see below), whose sum is σ = 65861881848. Its totient is φ = 18448704000.

The previous prime is 40371916499. The next prime is 40371916549. The reversal of 40371916546 is 64561917304.

It can be written as a sum of positive squares in 4 ways, for example, as 37206166321 + 3165750225 = 192889^2 + 56265^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40371916496 and 40371916505.

It is not an unprimeable number, because it can be changed into a prime (40371916549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7684335 + ... + 7689586.

Almost surely, 2^40371916546 is an apocalyptic number.

40371916546 is a deficient number, since it is larger than the sum of its proper divisors (25489965302).

40371916546 is a wasteful number, since it uses less digits than its factorization.

40371916546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374037.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 40371916546 in words is "forty billion, three hundred seventy-one million, nine hundred sixteen thousand, five hundred forty-six".