945405580 has 24 divisors (see below), whose sum is σ = 2268973728. Its totient is φ = 324139008.

The previous prime is 945405563. The next prime is 945405583. The reversal of 945405580 is 85504549.

It is a super-3 number, since 3×945405580³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (945405583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376309 + ... + 3376588.

It is an arithmetic number, because the mean of its divisors is an integer number (94540572).

Almost surely, 2^945405580 is an apocalyptic number.

It is an amenable number.

945405580 is an abundant number, since it is smaller than the sum of its proper divisors (1323568148).

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

945405580 is a wasteful number, since it uses less digits than its factorization.

945405580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752913 (or 6752911 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 945405580 is about 30747.4483494159. The cubic root of 945405580 is about 981.4602622970.

The spelling of 945405580 in words is "nine hundred forty-five million, four hundred five thousand, five hundred eighty".