40161675278 has 4 divisors (see below), whose sum is σ = 60242512920. Its totient is φ = 20080837638.

The previous prime is 40161675247. The next prime is 40161675361. The reversal of 40161675278 is 87257616104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40161675278² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040418818 + ... + 10040418821.

It is an arithmetic number, because the mean of its divisors is an integer number (15060628230).

Almost surely, 2^40161675278 is an apocalyptic number.

40161675278 is a deficient number, since it is larger than the sum of its proper divisors (20080837642).

40161675278 is a wasteful number, since it uses less digits than its factorization.

40161675278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20080837641.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 40161675278 in words is "forty billion, one hundred sixty-one million, six hundred seventy-five thousand, two hundred seventy-eight".