40554470839 has 2 divisors, whose sum is σ = 40554470840. Its totient is φ = 40554470838.

The previous prime is 40554470821. The next prime is 40554470857. The reversal of 40554470839 is 93807445504.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40554470821) and next prime (40554470857).

It is a cyclic number.

It is not a de Polignac number, because 40554470839 - 2¹³ = 40554462647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40554470792 and 40554470801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40554470809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20277235419 + 20277235420.

It is an arithmetic number, because the mean of its divisors is an integer number (20277235420).

Almost surely, 2^40554470839 is an apocalyptic number.

40554470839 is a deficient number, since it is larger than the sum of its proper divisors (1).

40554470839 is an equidigital number, since it uses as much as digits as its factorization.

40554470839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 40554470839 in words is "forty billion, five hundred fifty-four million, four hundred seventy thousand, eight hundred thirty-nine".