40545540140 has 96 divisors (see below), whose sum is σ = 98331577344. Its totient is φ = 13755905280.

The previous prime is 40545540121. The next prime is 40545540157. The reversal of 40545540140 is 4104554504.

It is a junction number, because it is equal to n+sod(n) for n = 40545540097 and 40545540106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6837857 + ... + 6843783.

It is an arithmetic number, because the mean of its divisors is an integer number (1024287264).

Almost surely, 2^40545540140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40545540140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49165788672).

40545540140 is an abundant number, since it is smaller than the sum of its proper divisors (57786037204).

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

40545540140 is a wasteful number, since it uses less digits than its factorization.

40545540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 40545540140 in words is "forty billion, five hundred forty-five million, five hundred forty thousand, one hundred forty".