3125420340 has 96 divisors (see below), whose sum is σ = 10271702784. Its totient is φ = 695070720.

The previous prime is 3125420327. The next prime is 3125420351. The reversal of 3125420340 is 430245213.

It is a self number, because there is not a number n which added to its sum of digits gives 3125420340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85021 + ... + 116100.

It is an arithmetic number, because the mean of its divisors is an integer number (106996904).

Almost surely, 2^3125420340 is an apocalyptic number.

3125420340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3125420340 is an abundant number, since it is smaller than the sum of its proper divisors (7146282444).

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

3125420340 is a wasteful number, since it uses less digits than its factorization.

3125420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201177 (or 201175 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3125420340 is about 55905.4589463319. The cubic root of 3125420340 is about 1462.0744171871.

Adding to 3125420340 its reverse (430245213), we get a palindrome (3555665553).

The spelling of 3125420340 in words is "three billion, one hundred twenty-five million, four hundred twenty thousand, three hundred forty".