40919499 has 14 divisors (see below), whose sum is σ = 61352276. Its totient is φ = 27279180.

The previous prime is 40919491. The next prime is 40919569. The reversal of 40919499 is 99491904.

It is not a de Polignac number, because 40919499 - 2³ = 40919491 is a prime.

It is a super-2 number, since 2×40919499² = 3348810796822002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40919491) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 27337 + ... + 28794.

Almost surely, 2^40919499 is an apocalyptic number.

40919499 is a deficient number, since it is larger than the sum of its proper divisors (20432777).

40919499 is an frugal number, since it uses more digits than its factorization.

40919499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56149 (or 56134 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 40919499 is about 6396.8350768173. The cubic root of 40919499 is about 344.5958973649.

The spelling of 40919499 in words is "forty million, nine hundred nineteen thousand, four hundred ninety-nine".