40830831819 has 12 divisors (see below), whose sum is σ = 59010858400. Its totient is φ = 27205328304.

The previous prime is 40830831803. The next prime is 40830831883. The reversal of 40830831819 is 91813803804.

It is not a de Polignac number, because 40830831819 - 2⁴ = 40830831803 is a prime.

It is a super-2 number, since 2×40830831819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40830821819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251859 + ... + 1284060.

Almost surely, 2^40830831819 is an apocalyptic number.

40830831819 is a deficient number, since it is larger than the sum of its proper divisors (18180026581).

40830831819 is a wasteful number, since it uses less digits than its factorization.

40830831819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537714 (or 2537711 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 40830831819 in words is "forty billion, eight hundred thirty million, eight hundred thirty-one thousand, eight hundred nineteen".