905034540 has 24 divisors (see below), whose sum is σ = 2534096880. Its totient is φ = 241342528.

The previous prime is 905034539. The next prime is 905034547. The reversal of 905034540 is 45430509.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 905034498 and 905034507.

It is not an unprimeable number, because it can be changed into a prime (905034547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7541895 + ... + 7542014.

It is an arithmetic number, because the mean of its divisors is an integer number (105587370).

Almost surely, 2^905034540 is an apocalyptic number.

It is an amenable number.

905034540 is an abundant number, since it is smaller than the sum of its proper divisors (1629062340).

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

905034540 is a wasteful number, since it uses less digits than its factorization.

905034540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15083921 (or 15083919 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 905034540 is about 30083.7919817300. The cubic root of 905034540 is about 967.2863325075.

It can be divided in two parts, 9050345 and 40, that added together give a triangular number (9050385 = T₄₂₅₄).

The spelling of 905034540 in words is "nine hundred five million, thirty-four thousand, five hundred forty".