485929440 has 144 divisors (see below), whose sum is σ = 1689787008. Its totient is φ = 127116288.

The previous prime is 485929439. The next prime is 485929447. The reversal of 485929440 is 44929584.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×485929440² = 472254841317427200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485929447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73137 + ... + 79503.

It is an arithmetic number, because the mean of its divisors is an integer number (11734632).

Almost surely, 2^485929440 is an apocalyptic number.

485929440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485929440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844893504).

485929440 is an abundant number, since it is smaller than the sum of its proper divisors (1203857568).

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

485929440 is a wasteful number, since it uses less digits than its factorization.

485929440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 485929440 is about 22043.8072936596. The cubic root of 485929440 is about 786.1843671387.

The spelling of 485929440 in words is "four hundred eighty-five million, nine hundred twenty-nine thousand, four hundred forty".