40434975824 has 10 divisors (see below), whose sum is σ = 78342765690. Its totient is φ = 20217487904.

The previous prime is 40434975803. The next prime is 40434975857. The reversal of 40434975824 is 42857943404.

It can be written as a sum of positive squares in only one way, i.e., 40368846400 + 66129424 = 200920^2 + 8132^2 .

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, 1263592979 + ... + 1263593010.

It is an arithmetic number, because the mean of its divisors is an integer number (7834276569).

Almost surely, 2^40434975824 is an apocalyptic number.

It is an amenable number.

40434975824 is a deficient number, since it is larger than the sum of its proper divisors (37907789866).

40434975824 is a wasteful number, since it uses less digits than its factorization.

40434975824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527185997 (or 2527185991 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 40434975824 in words is "forty billion, four hundred thirty-four million, nine hundred seventy-five thousand, eight hundred twenty-four".