40709034 has 64 divisors (see below), whose sum is σ = 95904000. Its totient is φ = 12773376.

The previous prime is 40709029. The next prime is 40709047. The reversal of 40709034 is 43090704.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 40708989 and 40709007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90442 + ... + 90890.

It is an arithmetic number, because the mean of its divisors is an integer number (1498500).

Almost surely, 2^40709034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40709034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47952000).

40709034 is an abundant number, since it is smaller than the sum of its proper divisors (55194966).

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

40709034 is a wasteful number, since it uses less digits than its factorization.

40709034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40709034 is about 6380.3631558086. The cubic root of 40709034 is about 344.0040843665.

Adding to 40709034 its reverse (43090704), we get a palindrome (83799738).

The spelling of 40709034 in words is "forty million, seven hundred nine thousand, thirty-four".