42776553140 has 48 divisors (see below), whose sum is σ = 91097978832. Its totient is φ = 16869436416.

The previous prime is 42776553137. The next prime is 42776553173. The reversal of 42776553140 is 4135567724.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1423703824 + 41352849316 = 37732^2 + 203354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42776553091 and 42776553100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5189102 + ... + 5197338.

It is an arithmetic number, because the mean of its divisors is an integer number (1897874559).

Almost surely, 2^42776553140 is an apocalyptic number.

It is an amenable number.

42776553140 is an abundant number, since it is smaller than the sum of its proper divisors (48321425692).

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

42776553140 is a wasteful number, since it uses less digits than its factorization.

42776553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876 (or 11874 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 42776553140 in words is "forty-two billion, seven hundred seventy-six million, five hundred fifty-three thousand, one hundred forty".