40366040042 has 8 divisors (see below), whose sum is σ = 62025866532. Its totient is φ = 19690751200.

The previous prime is 40366040023. The next prime is 40366040081. The reversal of 40366040042 is 24004066304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40280088601 + 85951441 = 200699^2 + 9271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40366039987 and 40366040014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246134309 + ... + 246134472.

Almost surely, 2^40366040042 is an apocalyptic number.

40366040042 is a deficient number, since it is larger than the sum of its proper divisors (21659826490).

40366040042 is a wasteful number, since it uses less digits than its factorization.

40366040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492268824.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 40366040042 in words is "forty billion, three hundred sixty-six million, forty thousand, forty-two".