3455565780 has 48 divisors (see below), whose sum is σ = 9679420800. Its totient is φ = 921118848.

The previous prime is 3455565769. The next prime is 3455565791. The reversal of 3455565780 is 875655543.

It is an interprime number because it is at equal distance from previous prime (3455565769) and next prime (3455565791).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163246 + ... + 183194.

It is an arithmetic number, because the mean of its divisors is an integer number (201654600).

Almost surely, 2^3455565780 is an apocalyptic number.

3455565780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3455565780 is an abundant number, since it is smaller than the sum of its proper divisors (6223855020).

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

3455565780 is a wasteful number, since it uses less digits than its factorization.

3455565780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22848 (or 22846 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The square root of 3455565780 is about 58784.0605946884. The cubic root of 3455565780 is about 1511.8419374396.

The spelling of 3455565780 in words is "three billion, four hundred fifty-five million, five hundred sixty-five thousand, seven hundred eighty".