40917719479 has 32 divisors (see below), whose sum is σ = 51352963200. Its totient is φ = 31737318912.

The previous prime is 40917719461. The next prime is 40917719489. The reversal of 40917719479 is 97491771904.

It is not a de Polignac number, because 40917719479 - 2¹¹ = 40917717431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40917719419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7468089 + ... + 7473565.

It is an arithmetic number, because the mean of its divisors is an integer number (1604780100).

Almost surely, 2^40917719479 is an apocalyptic number.

40917719479 is a deficient number, since it is larger than the sum of its proper divisors (10435243721).

40917719479 is a wasteful number, since it uses less digits than its factorization.

40917719479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099.

The product of its (nonzero) digits is 4000752, while the sum is 58.

The spelling of 40917719479 in words is "forty billion, nine hundred seventeen million, seven hundred nineteen thousand, four hundred seventy-nine".