40126339960 has 64 divisors (see below), whose sum is σ = 103209163200. Its totient is φ = 13753982976.

The previous prime is 40126339949. The next prime is 40126340011. The reversal of 40126339960 is 6993362104.

It is a super-2 number, since 2×40126339960² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184214 + ... + 1217626.

It is an arithmetic number, because the mean of its divisors is an integer number (1612643175).

Almost surely, 2^40126339960 is an apocalyptic number.

40126339960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40126339960 is an abundant number, since it is smaller than the sum of its proper divisors (63082823240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40126339960 is a wasteful number, since it uses less digits than its factorization.

40126339960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37720 (or 37716 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 40126339960 in words is "forty billion, one hundred twenty-six million, three hundred thirty-nine thousand, nine hundred sixty".