3029545840 has 20 divisors (see below), whose sum is σ = 7043694264. Its totient is φ = 1211818304.

The previous prime is 3029545819. The next prime is 3029545853. The reversal of 3029545840 is 485459203.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3029545840² = 18356295993322611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 3029545793 and 3029545802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18934582 + ... + 18934741.

Almost surely, 2^3029545840 is an apocalyptic number.

It is an amenable number.

3029545840 is an abundant number, since it is smaller than the sum of its proper divisors (4014148424).

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

3029545840 is a wasteful number, since it uses less digits than its factorization.

3029545840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37869336 (or 37869330 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3029545840 is about 55041.3103041706. The cubic root of 3029545840 is about 1446.9688307741.

The spelling of 3029545840 in words is "three billion, twenty-nine million, five hundred forty-five thousand, eight hundred forty".