40245174544 has 15 divisors (see below), whose sum is σ = 77976580453. Its totient is φ = 20122186048.

The previous prime is 40245174533. The next prime is 40245174551. The reversal of 40245174544 is 44547154204.

The square root of 40245174544 is 200612.

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., 21170250000 + 19074924544 = 145500^2 + 138112^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40245174497 and 40245174506.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 777372 + ... + 827524.

Almost surely, 2^40245174544 is an apocalyptic number.

40245174544 is the 200612-nd square number.

It is an amenable number.

40245174544 is a deficient number, since it is larger than the sum of its proper divisors (37731405909).

40245174544 is an frugal number, since it uses more digits than its factorization.

40245174544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100314 (or 50155 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 40.

The spelling of 40245174544 in words is "forty billion, two hundred forty-five million, one hundred seventy-four thousand, five hundred forty-four".