40252030 has 96 divisors (see below), whose sum is σ = 93078720. Its totient is φ = 12418560.

The previous prime is 40252027. The next prime is 40252031. The reversal of 40252030 is 3025204.

It is a junction number, because it is equal to n+sod(n) for n = 40251995 and 40252013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252031) 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, 452226 + ... + 452314.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^40252030 is an apocalyptic number.

40252030 is an abundant number, since it is smaller than the sum of its proper divisors (52826690).

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

40252030 is a wasteful number, since it uses less digits than its factorization.

40252030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40252030 is about 6344.4487546201. The cubic root of 40252030 is about 342.7119614323.

Adding to 40252030 its reverse (3025204), we get a palindrome (43277234).

The spelling of 40252030 in words is "forty million, two hundred fifty-two thousand, thirty".