40448325730 has 32 divisors (see below), whose sum is σ = 75420843120. Its totient is φ = 15607342080.

The previous prime is 40448325719. The next prime is 40448325761. The reversal of 40448325730 is 3752384404.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1068701481 + 39379624249 = 32691^2 + 198443^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517749 + ... + 590728.

Almost surely, 2^40448325730 is an apocalyptic number.

40448325730 is a deficient number, since it is larger than the sum of its proper divisors (34972517390).

40448325730 is a wasteful number, since it uses less digits than its factorization.

40448325730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108614.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 40448325730 in words is "forty billion, four hundred forty-eight million, three hundred twenty-five thousand, seven hundred thirty".