40242830 has 16 divisors (see below), whose sum is σ = 72730224. Its totient is φ = 16032000.

The previous prime is 40242809. The next prime is 40242869. The reversal of 40242830 is 3824204.

It is a junction number, because it is equal to n+sod(n) for n = 40242796 and 40242805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5507 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (4545639).

Almost surely, 2^40242830 is an apocalyptic number.

40242830 is a deficient number, since it is larger than the sum of its proper divisors (32487394).

40242830 is a wasteful number, since it uses less digits than its factorization.

40242830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16291.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40242830 is about 6343.7236698961. The cubic root of 40242830 is about 342.6858493722.

The spelling of 40242830 in words is "forty million, two hundred forty-two thousand, eight hundred thirty".