40849137546 has 32 divisors (see below), whose sum is σ = 93646550400. Its totient is φ = 11636545536.

The previous prime is 40849137529. The next prime is 40849137617. The reversal of 40849137546 is 64573194804.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428871 + ... + 1457178.

It is an arithmetic number, because the mean of its divisors is an integer number (2926454700).

Almost surely, 2^40849137546 is an apocalyptic number.

40849137546 is an abundant number, since it is smaller than the sum of its proper divisors (52797412854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40849137546 is a wasteful number, since it uses less digits than its factorization.

40849137546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886398.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 40849137546 in words is "forty billion, eight hundred forty-nine million, one hundred thirty-seven thousand, five hundred forty-six".