480087491 has 16 divisors (see below), whose sum is σ = 530893440. Its totient is φ = 431316480.

The previous prime is 480087481. The next prime is 480087511. The reversal of 480087491 is 194780084.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480087491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480087481) 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, 302486 + ... + 304068.

It is an arithmetic number, because the mean of its divisors is an integer number (33180840).

Almost surely, 2^480087491 is an apocalyptic number.

480087491 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

480087491 is a deficient number, since it is larger than the sum of its proper divisors (50805949).

480087491 is a wasteful number, since it uses less digits than its factorization.

480087491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 480087491 is about 21910.8989089905. The cubic root of 480087491 is about 783.0210969666.

The spelling of 480087491 in words is "four hundred eighty million, eighty-seven thousand, four hundred ninety-one".