40042700 has 36 divisors (see below), whose sum is σ = 89702592. Its totient is φ = 15499200.

The previous prime is 40042699. The next prime is 40042721. The reversal of 40042700 is 724004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3359 + ... + 9558.

Almost surely, 2^40042700 is an apocalyptic number.

It is an amenable number.

40042700 is an abundant number, since it is smaller than the sum of its proper divisors (49659892).

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

40042700 is a wasteful number, since it uses less digits than its factorization.

40042700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962 (or 12955 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 40042700 is about 6327.9301513212. The cubic root of 40042700 is about 342.1168393467.

Adding to 40042700 its reverse (724004), we get a palindrome (40766704).

The spelling of 40042700 in words is "forty million, forty-two thousand, seven hundred".