40302971536 has 45 divisors (see below), whose sum is σ = 80737067523. Its totient is φ = 19489392480.

The previous prime is 40302971521. The next prime is 40302971539. The reversal of 40302971536 is 63517920304.

It is a happy number.

The square root of 40302971536 is 200756.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (40302971539) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24892935 + ... + 24894553.

Almost surely, 2^40302971536 is an apocalyptic number.

40302971536 is the 200756-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40302971536

40302971536 is an abundant number, since it is smaller than the sum of its proper divisors (40434095987).

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

40302971536 is an frugal number, since it uses more digits than its factorization.

40302971536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 40302971536 in words is "forty billion, three hundred two million, nine hundred seventy-one thousand, five hundred thirty-six".