40919469 has 8 divisors (see below), whose sum is σ = 55720320. Its totient is φ = 26699136.

The previous prime is 40919419. The next prime is 40919479. The reversal of 40919469 is 96491904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40919469 - 2⁹ = 40918957 is a prime.

It is a super-2 number, since 2×40919469² = 3348805886483922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40919469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40919419) 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, 144964 + ... + 145245.

It is an arithmetic number, because the mean of its divisors is an integer number (6965040).

Almost surely, 2^40919469 is an apocalyptic number.

It is an amenable number.

40919469 is a deficient number, since it is larger than the sum of its proper divisors (14800851).

40919469 is a wasteful number, since it uses less digits than its factorization.

40919469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290259.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 40919469 is about 6396.8327319073. The cubic root of 40919469 is about 344.5958131518.

The spelling of 40919469 in words is "forty million, nine hundred nineteen thousand, four hundred sixty-nine".