905465240 has 16 divisors (see below), whose sum is σ = 2037296880. Its totient is φ = 362186080.

The previous prime is 905465213. The next prime is 905465243. The reversal of 905465240 is 42564509.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 905465240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905465243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11318276 + ... + 11318355.

It is an arithmetic number, because the mean of its divisors is an integer number (127331055).

Almost surely, 2^905465240 is an apocalyptic number.

It is an amenable number.

905465240 is an abundant number, since it is smaller than the sum of its proper divisors (1131831640).

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

905465240 is a wasteful number, since it uses less digits than its factorization.

905465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22636642 (or 22636638 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 905465240 is about 30090.9494698988. The cubic root of 905465240 is about 967.4397499132.

The spelling of 905465240 in words is "nine hundred five million, four hundred sixty-five thousand, two hundred forty".