614030640 has 80 divisors (see below), whose sum is σ = 1964921856. Its totient is φ = 158457600.

The previous prime is 614030603. The next prime is 614030647. The reversal of 614030640 is 46030416.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 614030640.

It is not an unprimeable number, because it can be changed into a prime (614030647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33826 + ... + 48705.

Almost surely, 2^614030640 is an apocalyptic number.

614030640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

614030640 is an abundant number, since it is smaller than the sum of its proper divisors (1350891216).

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

614030640 is a wasteful number, since it uses less digits than its factorization.

614030640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82578 (or 82572 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 614030640 is about 24779.6416438979. The cubic root of 614030640 is about 849.9564637448.

The spelling of 614030640 in words is "six hundred fourteen million, thirty thousand, six hundred forty".