40651070 has 16 divisors (see below), whose sum is σ = 77023440. Its totient is φ = 15404544.

The previous prime is 40651057. The next prime is 40651073. The reversal of 40651070 is 7015604.

40651070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40651073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106787 + ... + 107166.

It is an arithmetic number, because the mean of its divisors is an integer number (4813965).

Almost surely, 2^40651070 is an apocalyptic number.

40651070 is a deficient number, since it is larger than the sum of its proper divisors (36372370).

40651070 is a wasteful number, since it uses less digits than its factorization.

40651070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213979.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 40651070 is about 6375.8191630566. The cubic root of 40651070 is about 343.8407354966.

Adding to 40651070 its reverse (7015604), we get a palindrome (47666674).

The spelling of 40651070 in words is "forty million, six hundred fifty-one thousand, seventy".