2371406420 has 18 divisors (see below), whose sum is σ = 4980410862. Its totient is φ = 948475456.

The previous prime is 2371406419. The next prime is 2371406459. The reversal of 2371406420 is 246041732.

It can be written as a sum of positive squares in 3 ways, for example, as 190329616 + 2181076804 = 13796^2 + 46702^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212336 + ... + 223224.

Almost surely, 2^2371406420 is an apocalyptic number.

2371406420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2371406420 is an abundant number, since it is smaller than the sum of its proper divisors (2609004442).

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

2371406420 is an frugal number, since it uses more digits than its factorization.

2371406420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21787 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2371406420 is about 48697.0884139904. The cubic root of 2371406420 is about 1333.5275643433.

The spelling of 2371406420 in words is "two billion, three hundred seventy-one million, four hundred six thousand, four hundred twenty".