40030132 has 6 divisors (see below), whose sum is σ = 70052738. Its totient is φ = 20015064.

The previous prime is 40030127. The next prime is 40030157. The reversal of 40030132 is 23103004.

It can be written as a sum of positive squares in only one way, i.e., 39262756 + 767376 = 6266^2 + 876^2 .

It is a super-2 number, since 2×40030132² = 3204822935874848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003763 + ... + 5003770.

Almost surely, 2^40030132 is an apocalyptic number.

It is an amenable number.

40030132 is a deficient number, since it is larger than the sum of its proper divisors (30022606).

40030132 is a wasteful number, since it uses less digits than its factorization.

40030132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007537 (or 10007535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40030132 is about 6326.9370156498. The cubic root of 40030132 is about 342.0810427732.

Adding to 40030132 its reverse (23103004), we get a palindrome (63133136).

The spelling of 40030132 in words is "forty million, thirty thousand, one hundred thirty-two".