40506030 has 24 divisors (see below), whose sum is σ = 105315912. Its totient is φ = 10801584.

The previous prime is 40506029. The next prime is 40506041. The reversal of 40506030 is 3060504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40505994 and 40506012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224944 + ... + 225123.

It is an arithmetic number, because the mean of its divisors is an integer number (4388163).

Almost surely, 2^40506030 is an apocalyptic number.

40506030 is an abundant number, since it is smaller than the sum of its proper divisors (64809882).

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

40506030 is a wasteful number, since it uses less digits than its factorization.

40506030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450080 (or 450077 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40506030 is about 6364.4347745892. The cubic root of 40506030 is about 343.4313154434.

Adding to 40506030 its reverse (3060504), we get a palindrome (43566534).

The spelling of 40506030 in words is "forty million, five hundred six thousand, thirty".