40633767 has 6 divisors (see below), whose sum is σ = 58693232. Its totient is φ = 27089172.

The previous prime is 40633739. The next prime is 40633787. The reversal of 40633767 is 76733604.

It is not a de Polignac number, because 40633767 - 2⁷ = 40633639 is a prime.

It is a super-2 number, since 2×40633767² = 3302206041220578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40633787) 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, 2257423 + ... + 2257440.

Almost surely, 2^40633767 is an apocalyptic number.

40633767 is a deficient number, since it is larger than the sum of its proper divisors (18059465).

40633767 is a wasteful number, since it uses less digits than its factorization.

40633767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514869 (or 4514866 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 40633767 is about 6374.4620949536. The cubic root of 40633767 is about 343.7919436643.

The spelling of 40633767 in words is "forty million, six hundred thirty-three thousand, seven hundred sixty-seven".