43746448490 has 16 divisors (see below), whose sum is σ = 78747821352. Its totient is φ = 17497642944.

The previous prime is 43746448399. The next prime is 43746448513. The reversal of 43746448490 is 9484464734.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40649414689 + 3097033801 = 201617^2 + 55651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97952 + ... + 311588.

Almost surely, 2^43746448490 is an apocalyptic number.

43746448490 is a deficient number, since it is larger than the sum of its proper divisors (35001372862).

43746448490 is a wasteful number, since it uses less digits than its factorization.

43746448490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234121.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 43746448490 in words is "forty-three billion, seven hundred forty-six million, four hundred forty-eight thousand, four hundred ninety".