2030400340 has 24 divisors (see below), whose sum is σ = 4276736352. Its totient is φ = 809703840.

The previous prime is 2030400331. The next prime is 2030400341. The reversal of 2030400340 is 430040302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030400341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146734 + ... + 159973.

It is an arithmetic number, because the mean of its divisors is an integer number (178197348).

Almost surely, 2^2030400340 is an apocalyptic number.

2030400340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030400340 is an abundant number, since it is smaller than the sum of its proper divisors (2246336012).

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

2030400340 is a wasteful number, since it uses less digits than its factorization.

2030400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307047 (or 307045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2030400340 is about 45059.9638259952. The cubic root of 2030400340 is about 1266.2726473752.

Adding to 2030400340 its reverse (430040302), we get a palindrome (2460440642).

The spelling of 2030400340 in words is "two billion, thirty million, four hundred thousand, three hundred forty".