40510783 has 2 divisors, whose sum is σ = 40510784. Its totient is φ = 40510782.

The previous prime is 40510781. The next prime is 40510807. The reversal of 40510783 is 38701504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40510783 - 2¹ = 40510781 is a prime.

It is a super-2 number, since 2×40510783² = 3282247078546178, which contains 22 as substring.

Together with 40510781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40510781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20255391 + 20255392.

It is an arithmetic number, because the mean of its divisors is an integer number (20255392).

Almost surely, 2^40510783 is an apocalyptic number.

40510783 is a deficient number, since it is larger than the sum of its proper divisors (1).

40510783 is an equidigital number, since it uses as much as digits as its factorization.

40510783 is an evil number, because the sum of its binary digits is even.

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

The square root of 40510783 is about 6364.8081667871. The cubic root of 40510783 is about 343.4447477249. Note that the first 3 decimals are identical.

The spelling of 40510783 in words is "forty million, five hundred ten thousand, seven hundred eighty-three".