459545954640 has 80 divisors (see below), whose sum is σ = 1447946480256. Its totient is φ = 120536640000.

The previous prime is 459545954611. The next prime is 459545954663. The reversal of 459545954640 is 46459545954.

It is a happy number.

459545954640 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×459545954640² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15680236 + ... + 15709515.

Almost surely, 2^459545954640 is an apocalyptic number.

459545954640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

459545954640 is an abundant number, since it is smaller than the sum of its proper divisors (988400525616).

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

459545954640 is a wasteful number, since it uses less digits than its factorization.

459545954640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31389828 (or 31389822 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 60.

The spelling of 459545954640 in words is "four hundred fifty-nine billion, five hundred forty-five million, nine hundred fifty-four thousand, six hundred forty".