40629757 has 8 divisors (see below), whose sum is σ = 46472832. Its totient is φ = 34796400.

The previous prime is 40629739. The next prime is 40629763. The reversal of 40629757 is 75792604.

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 40629757 - 2⁷ = 40629629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13632 + ... + 16342.

It is an arithmetic number, because the mean of its divisors is an integer number (5809104).

Almost surely, 2^40629757 is an apocalyptic number.

It is an amenable number.

40629757 is a deficient number, since it is larger than the sum of its proper divisors (5843075).

40629757 is a wasteful number, since it uses less digits than its factorization.

40629757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 40629757 is about 6374.1475508494. The cubic root of 40629757 is about 343.7806340963.

The spelling of 40629757 in words is "forty million, six hundred twenty-nine thousand, seven hundred fifty-seven".