40133009 has 12 divisors (see below), whose sum is σ = 46793124. Its totient is φ = 34320384.

The previous prime is 40132987. The next prime is 40133021. The reversal of 40133009 is 90033104.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 26832400 = 3647^2 + 5180^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40133009 is a prime.

It is a super-2 number, since 2×40133009² = 3221316822788162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32369 + ... + 33585.

It is an arithmetic number, because the mean of its divisors is an integer number (3899427).

Almost surely, 2^40133009 is an apocalyptic number.

40133009 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40133009 is a deficient number, since it is larger than the sum of its proper divisors (6660115).

40133009 is a wasteful number, since it uses less digits than its factorization.

40133009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 40133009 is about 6335.0618781508. The cubic root of 40133009 is about 342.3738402629.

The spelling of 40133009 in words is "forty million, one hundred thirty-three thousand, nine".