40523590839 has 8 divisors (see below), whose sum is σ = 54032505472. Its totient is φ = 27015201720.

The previous prime is 40523590837. The next prime is 40523590841. The reversal of 40523590839 is 93809532504.

It is an interprime number because it is at equal distance from previous prime (40523590837) and next prime (40523590841).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40523590839 - 2¹ = 40523590837 is a prime.

It is a super-2 number, since 2×40523590839² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523590837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114054 + ... + 306684.

It is an arithmetic number, because the mean of its divisors is an integer number (6754063184).

Almost surely, 2^40523590839 is an apocalyptic number.

40523590839 is a deficient number, since it is larger than the sum of its proper divisors (13508914633).

40523590839 is a wasteful number, since it uses less digits than its factorization.

40523590839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262757.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 40523590839 in words is "forty billion, five hundred twenty-three million, five hundred ninety thousand, eight hundred thirty-nine".