40351970884 has 27 divisors (see below), whose sum is σ = 72184161693. Its totient is φ = 19737468768.

The previous prime is 40351970881. The next prime is 40351970927. The reversal of 40351970884 is 48807915304.

The square root of 40351970884 is 200878.

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

It can be written as a sum of positive squares in only one way, i.e., 1829272900 + 38522697984 = 42770^2 + 196272^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40351970881) 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, 18881464 + ... + 18883600.

Almost surely, 2^40351970884 is an apocalyptic number.

40351970884 is the 200878-th square number.

It is an amenable number.

40351970884 is a deficient number, since it is larger than the sum of its proper divisors (31832190809).

40351970884 is an frugal number, since it uses more digits than its factorization.

40351970884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 40351970884 by its sum of digits (49), we get a square (1977246573316 = 1406146²).

The spelling of 40351970884 in words is "forty billion, three hundred fifty-one million, nine hundred seventy thousand, eight hundred eighty-four".