905770040 has 32 divisors (see below), whose sum is σ = 2329123680. Its totient is φ = 310549632.

The previous prime is 905770031. The next prime is 905770049. The reversal of 905770040 is 40077509.

It is an interprime number because it is at equal distance from previous prime (905770031) and next prime (905770049).

It is a super-3 number, since 3×905770040³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 905769979 and 905770006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905770049) 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, 1617167 + ... + 1617726.

It is an arithmetic number, because the mean of its divisors is an integer number (72785115).

Almost surely, 2^905770040 is an apocalyptic number.

It is an amenable number.

905770040 is an abundant number, since it is smaller than the sum of its proper divisors (1423353640).

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

905770040 is a wasteful number, since it uses less digits than its factorization.

905770040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234911 (or 3234907 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 905770040 is about 30096.0136895237. The cubic root of 905770040 is about 967.5482917403.

It can be divided in two parts, 9057 and 70040, that added together give a palindrome (79097).

The spelling of 905770040 in words is "nine hundred five million, seven hundred seventy thousand, forty".