2402421420 has 96 divisors (see below), whose sum is σ = 7703152128. Its totient is φ = 548024832.

The previous prime is 2402421409. The next prime is 2402421431. The reversal of 2402421420 is 241242042.

It is an interprime number because it is at equal distance from previous prime (2402421409) and next prime (2402421431).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214192 + ... + 225128.

It is an arithmetic number, because the mean of its divisors is an integer number (80241168).

Almost surely, 2^2402421420 is an apocalyptic number.

2402421420 is a gapful number since it is divisible by the number (20) 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 2402421420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3851576064).

2402421420 is an abundant number, since it is smaller than the sum of its proper divisors (5300730708).

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

2402421420 is a wasteful number, since it uses less digits than its factorization.

2402421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11479 (or 11477 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2402421420 is about 49014.5021396729. The cubic root of 2402421420 is about 1339.3160205785.

Adding to 2402421420 its reverse (241242042), we get a palindrome (2643663462).

The spelling of 2402421420 in words is "two billion, four hundred two million, four hundred twenty-one thousand, four hundred twenty".