40412034 has 80 divisors (see below), whose sum is σ = 100826880. Its totient is φ = 12013920.

The previous prime is 40412027. The next prime is 40412039. The reversal of 40412034 is 43021404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40411998 and 40412016.

It is not an unprimeable number, because it can be changed into a prime (40412039) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64977 + ... + 65595.

It is an arithmetic number, because the mean of its divisors is an integer number (1260336).

Almost surely, 2^40412034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40412034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50413440).

40412034 is an abundant number, since it is smaller than the sum of its proper divisors (60414846).

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

40412034 is a wasteful number, since it uses less digits than its factorization.

40412034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40412034 is about 6357.0460121034. The cubic root of 40412034 is about 343.1654606055.

Adding to 40412034 its reverse (43021404), we get a palindrome (83433438).

The spelling of 40412034 in words is "forty million, four hundred twelve thousand, thirty-four".