40400278777876 has 24 divisors (see below), whose sum is σ = 71697275205696. Its totient is φ = 19915350987840.

The previous prime is 40400278777853. The next prime is 40400278777891. The reversal of 40400278777876 is 67877787200404.

It is a congruent number.

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, 20062840 + ... + 21984496.

It is an arithmetic number, because the mean of its divisors is an integer number (2987386466904).

Almost surely, 2^{40400278777876} is an apocalyptic number.

It is an amenable number.

40400278777876 is a deficient number, since it is larger than the sum of its proper divisors (31296996427820).

40400278777876 is a wasteful number, since it uses less digits than its factorization.

40400278777876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995759 (or 1995757 counting only the distinct ones).

The product of its (nonzero) digits is 206524416, while the sum is 67.

The spelling of 40400278777876 in words is "forty trillion, four hundred billion, two hundred seventy-eight million, seven hundred seventy-seven thousand, eight hundred seventy-six".