3045404640 has 96 divisors (see below), whose sum is σ = 9646299936. Its totient is φ = 807598080.

The previous prime is 3045404617. The next prime is 3045404641. The reversal of 3045404640 is 464045403.

3045404640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3045404598 and 3045404607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045404641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69354 + ... + 104406.

It is an arithmetic number, because the mean of its divisors is an integer number (100482291).

Almost surely, 2^3045404640 is an apocalyptic number.

3045404640 is a gapful number since it is divisible by the number (30) 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 3045404640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4823149968).

3045404640 is an abundant number, since it is smaller than the sum of its proper divisors (6600895296).

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

3045404640 is a wasteful number, since it uses less digits than its factorization.

3045404640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35252 (or 35244 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 3045404640 is about 55185.1849684315. The cubic root of 3045404640 is about 1449.4892596767.

The spelling of 3045404640 in words is "three billion, forty-five million, four hundred four thousand, six hundred forty".