42771077544 has 64 divisors (see below), whose sum is σ = 115172870400. Its totient is φ = 13158049536.

The previous prime is 42771077537. The next prime is 42771077551. The reversal of 42771077544 is 44577017724.

It is an interprime number because it is at equal distance from previous prime (42771077537) and next prime (42771077551).

It is a super-2 number, since 2×42771077544² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42771077493 and 42771077502.

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, 3062802 + ... + 3076734.

It is an arithmetic number, because the mean of its divisors is an integer number (1799576100).

Almost surely, 2^42771077544 is an apocalyptic number.

It is an amenable number.

42771077544 is an abundant number, since it is smaller than the sum of its proper divisors (72401792856).

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

42771077544 is a wasteful number, since it uses less digits than its factorization.

42771077544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23794 (or 23790 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 48.

The spelling of 42771077544 in words is "forty-two billion, seven hundred seventy-one million, seventy-seven thousand, five hundred forty-four".