2420388491 has 8 divisors (see below), whose sum is σ = 2473521600. Its totient is φ = 2367817920.

The previous prime is 2420388461. The next prime is 2420388493. The reversal of 2420388491 is 1948830242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420388491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420388493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131930 + ... + 149151.

It is an arithmetic number, because the mean of its divisors is an integer number (309190200).

Almost surely, 2^2420388491 is an apocalyptic number.

2420388491 is a deficient number, since it is larger than the sum of its proper divisors (53133109).

2420388491 is a wasteful number, since it uses less digits than its factorization.

2420388491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281269.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2420388491 is about 49197.4439478313. The cubic root of 2420388491 is about 1342.6465277983.

The spelling of 2420388491 in words is "two billion, four hundred twenty million, three hundred eighty-eight thousand, four hundred ninety-one".