40650651 has 6 divisors (see below), whose sum is σ = 58717620. Its totient is φ = 27100428.

The previous prime is 40650619. The next prime is 40650653. The reversal of 40650651 is 15605604.

It is a happy number.

40650651 is a `hidden beast` number, since 4 + 0 + 6 + 5 + 0 + 651 = 666.

It is not a de Polignac number, because 40650651 - 2⁵ = 40650619 is a prime.

It is a super-3 number, since 3×40650651³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40650653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2258361 + ... + 2258378.

It is an arithmetic number, because the mean of its divisors is an integer number (9786270).

Almost surely, 2^40650651 is an apocalyptic number.

40650651 is a deficient number, since it is larger than the sum of its proper divisors (18066969).

40650651 is a wasteful number, since it uses less digits than its factorization.

40650651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516745 (or 4516742 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40650651 is about 6375.7863044490. The cubic root of 40650651 is about 343.8395541438.

The spelling of 40650651 in words is "forty million, six hundred fifty thousand, six hundred fifty-one".