40655542940 has 12 divisors (see below), whose sum is σ = 85376640216. Its totient is φ = 16262217168.

The previous prime is 40655542931. The next prime is 40655542943. The reversal of 40655542940 is 4924555604.

40655542940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40655542891 and 40655542900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40655542943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016388554 + ... + 1016388593.

It is an arithmetic number, because the mean of its divisors is an integer number (7114720018).

Almost surely, 2^40655542940 is an apocalyptic number.

It is an amenable number.

40655542940 is an abundant number, since it is smaller than the sum of its proper divisors (44721097276).

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

40655542940 is a wasteful number, since it uses less digits than its factorization.

40655542940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032777156 (or 2032777154 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 40655542940 in words is "forty billion, six hundred fifty-five million, five hundred forty-two thousand, nine hundred forty".