40352436442 has 4 divisors (see below), whose sum is σ = 60528654666. Its totient is φ = 20176218220.

The previous prime is 40352436433. The next prime is 40352436473. The reversal of 40352436442 is 24463425304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39497985081 + 854451361 = 198741^2 + 29231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10088109109 + ... + 10088109112.

Almost surely, 2^40352436442 is an apocalyptic number.

40352436442 is a deficient number, since it is larger than the sum of its proper divisors (20176218224).

40352436442 is a wasteful number, since it uses less digits than its factorization.

40352436442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176218223.

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 40352436442 in words is "forty billion, three hundred fifty-two million, four hundred thirty-six thousand, four hundred forty-two".