40033333011 has 32 divisors (see below), whose sum is σ = 64048688640. Its totient is φ = 21757671936.

The previous prime is 40033333007. The next prime is 40033333063. The reversal of 40033333011 is 11033333004.

It is not a de Polignac number, because 40033333011 - 2² = 40033333007 is a prime.

It is a super-2 number, since 2×40033333011² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (40033333511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449766 + ... + 531371.

It is an arithmetic number, because the mean of its divisors is an integer number (2001521520).

Almost surely, 2^40033333011 is an apocalyptic number.

40033333011 is a deficient number, since it is larger than the sum of its proper divisors (24015355629).

40033333011 is a wasteful number, since it uses less digits than its factorization.

40033333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981243.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 40033333011 its reverse (11033333004), we get a palindrome (51066666015).

The spelling of 40033333011 in words is "forty billion, thirty-three million, three hundred thirty-three thousand, eleven".