40033771556 has 24 divisors (see below), whose sum is σ = 70289130240. Its totient is φ = 19951219712.

The previous prime is 40033771543. The next prime is 40033771579. The reversal of 40033771556 is 65517733004.

It is a happy number.

It is a super-2 number, since 2×40033771556² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508196 + ... + 3519588.

It is an arithmetic number, because the mean of its divisors is an integer number (2928713760).

Almost surely, 2^40033771556 is an apocalyptic number.

It is an amenable number.

40033771556 is a deficient number, since it is larger than the sum of its proper divisors (30255358684).

40033771556 is a wasteful number, since it uses less digits than its factorization.

40033771556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203 (or 14201 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 40033771556 in words is "forty billion, thirty-three million, seven hundred seventy-one thousand, five hundred fifty-six".