905024340 has 360 divisors, whose sum is σ = 3298421280. Its totient is φ = 207852480.

The previous prime is 905024327. The next prime is 905024347. The reversal of 905024340 is 43420509.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905024347) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 47632851 + ... + 47632869.

Almost surely, 2^905024340 is an apocalyptic number.

905024340 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 905024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649210640).

905024340 is an abundant number, since it is smaller than the sum of its proper divisors (2393396940).

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

905024340 is a wasteful number, since it uses less digits than its factorization.

905024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 905024340 is about 30083.6224547510. The cubic root of 905024340 is about 967.2826986286.

Adding to 905024340 its reverse (43420509), we get a palindrome (948444849).

The spelling of 905024340 in words is "nine hundred five million, twenty-four thousand, three hundred forty".