40577764556 has 36 divisors (see below), whose sum is σ = 82712460600. Its totient is φ = 17367791616.

The previous prime is 40577764553. The next prime is 40577764567. The reversal of 40577764556 is 65546777504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40577764553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16115 + ... + 285333.

It is an arithmetic number, because the mean of its divisors is an integer number (2297568350).

Almost surely, 2^40577764556 is an apocalyptic number.

It is an amenable number.

40577764556 is an abundant number, since it is smaller than the sum of its proper divisors (42134696044).

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

40577764556 is a wasteful number, since it uses less digits than its factorization.

40577764556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270006 (or 269997 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 40577764556 in words is "forty billion, five hundred seventy-seven million, seven hundred sixty-four thousand, five hundred fifty-six".