440135453019 has 8 divisors (see below), whose sum is σ = 588120260112. Its totient is φ = 292787140640.

The previous prime is 440135452997. The next prime is 440135453027. The reversal of 440135453019 is 910354531044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440135453019 - 2⁷ = 440135452891 is a prime.

It is a super-2 number, since 2×440135453019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440135453059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159122064 + ... + 159124829.

It is an arithmetic number, because the mean of its divisors is an integer number (73515032514).

Almost surely, 2^440135453019 is an apocalyptic number.

440135453019 is a deficient number, since it is larger than the sum of its proper divisors (147984807093).

440135453019 is a wasteful number, since it uses less digits than its factorization.

440135453019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318247357.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 440135453019 in words is "four hundred forty billion, one hundred thirty-five million, four hundred fifty-three thousand, nineteen".