40434142984 has 32 divisors (see below), whose sum is σ = 76558005720. Its totient is φ = 20019557376.

The previous prime is 40434142979. The next prime is 40434143003. The reversal of 40434142984 is 48924143404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33280704900 + 7153438084 = 182430^2 + 84578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40434142984.

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, 313072 + ... + 422944.

Almost surely, 2^40434142984 is an apocalyptic number.

It is an amenable number.

40434142984 is a deficient number, since it is larger than the sum of its proper divisors (36123862736).

40434142984 is a wasteful number, since it uses less digits than its factorization.

40434142984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110329 (or 110325 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 40434142984 in words is "forty billion, four hundred thirty-four million, one hundred forty-two thousand, nine hundred eighty-four".