945469440 has 144 divisors (see below), whose sum is σ = 3277146600. Its totient is φ = 252100608.

The previous prime is 945469429. The next prime is 945469451. The reversal of 945469440 is 44964549.

It is an interprime number because it is at equal distance from previous prime (945469429) and next prime (945469451).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87031 + ... + 97289.

Almost surely, 2^945469440 is an apocalyptic number.

945469440 is a gapful number since it is divisible by the number (90) 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 945469440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638573300).

945469440 is an abundant number, since it is smaller than the sum of its proper divisors (2331677160).

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

945469440 is a wasteful number, since it uses less digits than its factorization.

945469440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292 (or 10269 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 945469440 is about 30748.4867920358. The cubic root of 945469440 is about 981.4823602701.

The spelling of 945469440 in words is "nine hundred forty-five million, four hundred sixty-nine thousand, four hundred forty".