40030332 has 48 divisors (see below), whose sum is σ = 95397120. Its totient is φ = 13062528.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030332 is 23303004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171688 + ... + 171920.

It is an arithmetic number, because the mean of its divisors is an integer number (1987440).

Almost surely, 2^40030332 is an apocalyptic number.

It is an amenable number.

40030332 is an abundant number, since it is smaller than the sum of its proper divisors (55366788).

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

40030332 is a wasteful number, since it uses less digits than its factorization.

40030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 40030332 is about 6326.9528210664. The cubic root of 40030332 is about 342.0816124782.

Adding to 40030332 its reverse (23303004), we get a palindrome (63333336).

It can be divided in two parts, 4003033 and 2, that added together give a triangular number (4003035 = T₂₈₂₉).

The spelling of 40030332 in words is "forty million, thirty thousand, three hundred thirty-two".