40669750 has 64 divisors (see below), whose sum is σ = 86800896. Its totient is φ = 14124000.

The previous prime is 40669693. The next prime is 40669757. The reversal of 40669750 is 5796604.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40669757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62929 + ... + 63571.

It is an arithmetic number, because the mean of its divisors is an integer number (1356264).

Almost surely, 2^40669750 is an apocalyptic number.

40669750 is an abundant number, since it is smaller than the sum of its proper divisors (46131146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40669750 is a wasteful number, since it uses less digits than its factorization.

40669750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 40669750 is about 6377.2839046102. The cubic root of 40669750 is about 343.8933947203.

The spelling of 40669750 in words is "forty million, six hundred sixty-nine thousand, seven hundred fifty".