914455440 has 160 divisors (see below), whose sum is σ = 3168547200. Its totient is φ = 242403840.

The previous prime is 914455439. The next prime is 914455447. The reversal of 914455440 is 44554419.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 914455395 and 914455404.

It is not an unprimeable number, because it can be changed into a prime (914455447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389791 + ... + 392129.

It is an arithmetic number, because the mean of its divisors is an integer number (19803420).

Almost surely, 2^914455440 is an apocalyptic number.

914455440 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 914455440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584273600).

914455440 is an abundant number, since it is smaller than the sum of its proper divisors (2254091760).

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

914455440 is a wasteful number, since it uses less digits than its factorization.

914455440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 914455440 is about 30239.9642856932. The cubic root of 914455440 is about 970.6310556898.

The spelling of 914455440 in words is "nine hundred fourteen million, four hundred fifty-five thousand, four hundred forty".