40619873 has 6 divisors (see below), whose sum is σ = 47251746. Its totient is φ = 34816992.

The previous prime is 40619861. The next prime is 40619879. The reversal of 40619873 is 37891604.

It can be written as a sum of positive squares in only one way, i.e., 25472209 + 15147664 = 5047^2 + 3892^2 .

It is not a de Polignac number, because 40619873 - 2⁴ = 40619857 is a prime.

It is a super-2 number, since 2×40619873² = 3299948165072258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40619879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414440 + ... + 414537.

It is an arithmetic number, because the mean of its divisors is an integer number (7875291).

Almost surely, 2^40619873 is an apocalyptic number.

It is an amenable number.

40619873 is a deficient number, since it is larger than the sum of its proper divisors (6631873).

40619873 is an equidigital number, since it uses as much as digits as its factorization.

40619873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828991 (or 828984 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40619873 is about 6373.3721843307. The cubic root of 40619873 is about 343.7527546666.

The spelling of 40619873 in words is "forty million, six hundred nineteen thousand, eight hundred seventy-three".