40781035 has 8 divisors (see below), whose sum is σ = 48971520. Its totient is φ = 32601984.

The previous prime is 40781021. The next prime is 40781053. The reversal of 40781035 is 53018704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40781035 - 2⁵ = 40781003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40780994 and 40781012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12726 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (6121440).

Almost surely, 2^40781035 is an apocalyptic number.

40781035 is a deficient number, since it is larger than the sum of its proper divisors (8190485).

40781035 is a wasteful number, since it uses less digits than its factorization.

40781035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40781035 is about 6386.0030535539. The cubic root of 40781035 is about 344.2067752472.

Adding to 40781035 its reverse (53018704), we get a palindrome (93799739).

The spelling of 40781035 in words is "forty million, seven hundred eighty-one thousand, thirty-five".