6436291044 has 48 divisors (see below), whose sum is σ = 15526211456. Its totient is φ = 2073600000.

The previous prime is 6436291019. The next prime is 6436291049. The reversal of 6436291044 is 4401926346.

It is a junction number, because it is equal to n+sod(n) for n = 6436290993 and 6436291011.

It is not an unprimeable number, because it can be changed into a prime (6436291049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19044 + ... + 115044.

Almost surely, 2^6436291044 is an apocalyptic number.

It is an amenable number.

6436291044 is an abundant number, since it is smaller than the sum of its proper divisors (9089920412).

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

6436291044 is a wasteful number, since it uses less digits than its factorization.

6436291044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96196 (or 96194 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 6436291044 is about 80226.4983904944. The cubic root of 6436291044 is about 1860.1382565746.

The spelling of 6436291044 in words is "six billion, four hundred thirty-six million, two hundred ninety-one thousand, forty-four".