40969395 has 20 divisors (see below), whose sum is σ = 73442160. Its totient is φ = 21850128.

The previous prime is 40969387. The next prime is 40969429. The reversal of 40969395 is 59396904.

It is a happy number.

It is not a de Polignac number, because 40969395 - 2³ = 40969387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40969395.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50175 + ... + 50984.

It is an arithmetic number, because the mean of its divisors is an integer number (3672108).

Almost surely, 2^40969395 is an apocalyptic number.

40969395 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40969395 is a deficient number, since it is larger than the sum of its proper divisors (32472765).

40969395 is a wasteful number, since it uses less digits than its factorization.

40969395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101176 (or 101167 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 40969395 is about 6400.7339422913. The cubic root of 40969395 is about 344.7359037470.

The spelling of 40969395 in words is "forty million, nine hundred sixty-nine thousand, three hundred ninety-five".