40112042 has 4 divisors (see below), whose sum is σ = 60168066. Its totient is φ = 20056020.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112042 is 24021104.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40112003) and next prime (40112081).

It can be written as a sum of positive squares in only one way, i.e., 27994681 + 12117361 = 5291^2 + 3481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10028009 + ... + 10028012.

Almost surely, 2^40112042 is an apocalyptic number.

40112042 is a deficient number, since it is larger than the sum of its proper divisors (20056024).

40112042 is a wasteful number, since it uses less digits than its factorization.

40112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20056023.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40112042 is about 6333.4068241350. The cubic root of 40112042 is about 342.3142068675.

Adding to 40112042 its reverse (24021104), we get a palindrome (64133146).

The spelling of 40112042 in words is "forty million, one hundred twelve thousand, forty-two".