40141469 has 4 divisors (see below), whose sum is σ = 40531296. Its totient is φ = 39751644.

The previous prime is 40141447. The next prime is 40141499. The reversal of 40141469 is 96414104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40141469 - 2¹² = 40137373 is a prime.

It is a super-2 number, since 2×40141469² = 3222675066955922, 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 (40141429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194759 + ... + 194964.

It is an arithmetic number, because the mean of its divisors is an integer number (10132824).

Almost surely, 2^40141469 is an apocalyptic number.

It is an amenable number.

40141469 is a deficient number, since it is larger than the sum of its proper divisors (389827).

40141469 is a wasteful number, since it uses less digits than its factorization.

40141469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389826.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40141469 is about 6335.7295554656. The cubic root of 40141469 is about 342.3978959323.

The spelling of 40141469 in words is "forty million, one hundred forty-one thousand, four hundred sixty-nine".