945863840 has 48 divisors (see below), whose sum is σ = 2262919680. Its totient is φ = 373551360.

The previous prime is 945863839. The next prime is 945863881. The reversal of 945863840 is 48368549.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24776 + ... + 50055.

It is an arithmetic number, because the mean of its divisors is an integer number (47144160).

Almost surely, 2^945863840 is an apocalyptic number.

It is an amenable number.

945863840 is an abundant number, since it is smaller than the sum of its proper divisors (1317055840).

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

945863840 is a wasteful number, since it uses less digits than its factorization.

945863840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74925 (or 74917 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 945863840 is about 30754.8994470800. The cubic root of 945863840 is about 981.6188155284.

The spelling of 945863840 in words is "nine hundred forty-five million, eight hundred sixty-three thousand, eight hundred forty".