40993335 has 24 divisors (see below), whose sum is σ = 71208384. Its totient is φ = 21816000.

The previous prime is 40993313. The next prime is 40993339. The reversal of 40993335 is 53339904.

It is a happy number.

It is not a de Polignac number, because 40993335 - 2⁷ = 40993207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40993335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33189 + ... + 34401.

It is an arithmetic number, because the mean of its divisors is an integer number (2967016).

Almost surely, 2^40993335 is an apocalyptic number.

40993335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40993335 is a deficient number, since it is larger than the sum of its proper divisors (30215049).

40993335 is a wasteful number, since it uses less digits than its factorization.

40993335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 40993335 is about 6402.6037672185. The cubic root of 40993335 is about 344.8030381737.

It can be divided in two parts, 40993 and 335, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40993335 in words is "forty million, nine hundred ninety-three thousand, three hundred thirty-five".