40040020546 has 16 divisors (see below), whose sum is σ = 62392354560. Its totient is φ = 19250796240.

The previous prime is 40040020513. The next prime is 40040020561. The reversal of 40040020546 is 64502004004.

It is a self number, because there is not a number n which added to its sum of digits gives 40040020546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046976 + ... + 2066443.

It is an arithmetic number, because the mean of its divisors is an integer number (3899522160).

Almost surely, 2^40040020546 is an apocalyptic number.

40040020546 is a deficient number, since it is larger than the sum of its proper divisors (22352334014).

40040020546 is a wasteful number, since it uses less digits than its factorization.

40040020546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113609.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 40040020546 in words is "forty billion, forty million, twenty thousand, five hundred forty-six".