40902269 has 8 divisors (see below), whose sum is σ = 43762080. Its totient is φ = 38113200.

The previous prime is 40902259. The next prime is 40902287. The reversal of 40902269 is 96220904.

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 40902269 - 2¹² = 40898173 is a prime.

It is a super-2 number, since 2×40902269² = 3345991218696722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40902229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16487 + ... + 18804.

It is an arithmetic number, because the mean of its divisors is an integer number (5470260).

Almost surely, 2^40902269 is an apocalyptic number.

It is an amenable number.

40902269 is a deficient number, since it is larger than the sum of its proper divisors (2859811).

40902269 is a wasteful number, since it uses less digits than its factorization.

40902269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35371.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40902269 is about 6395.4881752686. The cubic root of 40902269 is about 344.5475241687.

The spelling of 40902269 in words is "forty million, nine hundred two thousand, two hundred sixty-nine".