40030142 has 8 divisors (see below), whose sum is σ = 60096000. Its totient is φ = 19998144.

The previous prime is 40030127. The next prime is 40030157. The reversal of 40030142 is 24103004.

It is an interprime number because it is at equal distance from previous prime (40030127) and next prime (40030157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (7512000).

Almost surely, 2^40030142 is an apocalyptic number.

40030142 is a deficient number, since it is larger than the sum of its proper divisors (20065858).

40030142 is a wasteful number, since it uses less digits than its factorization.

40030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40030142 is about 6326.9378059216. The cubic root of 40030142 is about 342.0810712585.

Adding to 40030142 its reverse (24103004), we get a palindrome (64133146).

The spelling of 40030142 in words is "forty million, thirty thousand, one hundred forty-two".