481202640 has 80 divisors (see below), whose sum is σ = 1657483200. Its totient is φ = 128320128.

The previous prime is 481202639. The next prime is 481202653. The reversal of 481202640 is 46202184.

481202640 is a `hidden beast` number, since 4 + 8 + 12 + 0 + 2 + 640 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 109230 + ... + 113549.

It is an arithmetic number, because the mean of its divisors is an integer number (20718540).

Almost surely, 2^481202640 is an apocalyptic number.

481202640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

481202640 is an abundant number, since it is smaller than the sum of its proper divisors (1176280560).

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

481202640 is a wasteful number, since it uses less digits than its factorization.

481202640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222801 (or 222789 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 481202640 is about 21936.3315073419. The cubic root of 481202640 is about 783.6268962577.

The spelling of 481202640 in words is "four hundred eighty-one million, two hundred two thousand, six hundred forty".