40042332112 has 20 divisors (see below), whose sum is σ = 77716493956. Its totient is φ = 19986462720.

The previous prime is 40042332101. The next prime is 40042332167. The reversal of 40042332112 is 21123324004.

It can be written as a sum of positive squares in 2 ways, for example, as 39126422416 + 915909696 = 197804^2 + 30264^2 .

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, 2159439 + ... + 2177902.

Almost surely, 2^40042332112 is an apocalyptic number.

It is an amenable number.

40042332112 is a deficient number, since it is larger than the sum of its proper divisors (37674161844).

40042332112 is a wasteful number, since it uses less digits than its factorization.

40042332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337926 (or 4337920 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40042332112 its reverse (21123324004), we get a palindrome (61165656116).

The spelling of 40042332112 in words is "forty billion, forty-two million, three hundred thirty-two thousand, one hundred twelve".