40045112 has 8 divisors (see below), whose sum is σ = 75084600. Its totient is φ = 20022552.

The previous prime is 40045079. The next prime is 40045121. The reversal of 40045112 is 21154004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40045112² = 3207221990185088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502812 + ... + 2502827.

It is an arithmetic number, because the mean of its divisors is an integer number (9385575).

Almost surely, 2^40045112 is an apocalyptic number.

It is an amenable number.

40045112 is a deficient number, since it is larger than the sum of its proper divisors (35039488).

40045112 is a wasteful number, since it uses less digits than its factorization.

40045112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005645 (or 5005641 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40045112 is about 6328.1207320973. The cubic root of 40045112 is about 342.1237084243.

Adding to 40045112 its reverse (21154004), we get a palindrome (61199116).

The spelling of 40045112 in words is "forty million, forty-five thousand, one hundred twelve".