40403600442 has 40 divisors (see below), whose sum is σ = 90598132416. Its totient is φ = 13458325608.

The previous prime is 40403600353. The next prime is 40403600507. The reversal of 40403600442 is 24400630404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142893 + ... + 318159.

Almost surely, 2^40403600442 is an apocalyptic number.

40403600442 is an abundant number, since it is smaller than the sum of its proper divisors (50194531974).

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

40403600442 is a wasteful number, since it uses less digits than its factorization.

40403600442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176704 (or 176695 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The spelling of 40403600442 in words is "forty billion, four hundred three million, six hundred thousand, four hundred forty-two".