40485330 has 96 divisors (see below), whose sum is σ = 114027264. Its totient is φ = 9927168.

The previous prime is 40485311. The next prime is 40485337. The reversal of 40485330 is 3358404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40485294 and 40485303.

It is not an unprimeable number, because it can be changed into a prime (40485337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71629 + ... + 72191.

It is an arithmetic number, because the mean of its divisors is an integer number (1187784).

Almost surely, 2^40485330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40485330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57013632).

40485330 is an abundant number, since it is smaller than the sum of its proper divisors (73541934).

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

40485330 is a wasteful number, since it uses less digits than its factorization.

40485330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40485330 is about 6362.8083422338. The cubic root of 40485330 is about 343.3728036649.

The spelling of 40485330 in words is "forty million, four hundred eighty-five thousand, three hundred thirty".