40032030 has 16 divisors (see below), whose sum is σ = 96076944. Its totient is φ = 10675200.

The previous prime is 40032023. The next prime is 40032037. The reversal of 40032030 is 3023004.

It is an interprime number because it is at equal distance from previous prime (40032023) and next prime (40032037).

It is a junction number, because it is equal to n+sod(n) for n = 40031997 and 40032015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032037) 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, 667171 + ... + 667230.

It is an arithmetic number, because the mean of its divisors is an integer number (6004809).

Almost surely, 2^40032030 is an apocalyptic number.

40032030 is an abundant number, since it is smaller than the sum of its proper divisors (56044914).

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

40032030 is a wasteful number, since it uses less digits than its factorization.

40032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334411.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40032030 is about 6327.0870074624. The cubic root of 40032030 is about 342.0864491968.

Adding to 40032030 its reverse (3023004), we get a palindrome (43055034).

The spelling of 40032030 in words is "forty million, thirty-two thousand, thirty", and thus it is an eban number.