40030354 has 36 divisors (see below), whose sum is σ = 75666474. Its totient is φ = 15829632.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030354 is 45303004.

It can be written as a sum of positive squares in 3 ways, for example, as 31753225 + 8277129 = 5635^2 + 2877^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030357) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15354 + ... + 17770.

Almost surely, 2^40030354 is an apocalyptic number.

40030354 is a deficient number, since it is larger than the sum of its proper divisors (35636120).

40030354 is a wasteful number, since it uses less digits than its factorization.

40030354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40030354 is about 6326.9545596598. The cubic root of 40030354 is about 342.0816751456.

Adding to 40030354 its reverse (45303004), we get a palindrome (85333358).

The spelling of 40030354 in words is "forty million, thirty thousand, three hundred fifty-four".