40133242 has 8 divisors (see below), whose sum is σ = 61186932. Its totient is φ = 19737600.

The previous prime is 40133231. The next prime is 40133267. The reversal of 40133242 is 24233104.

It can be written as a sum of positive squares in 2 ways, for example, as 33419961 + 6713281 = 5781^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40133242² = 3221354226861128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164359 + ... + 164602.

Almost surely, 2^40133242 is an apocalyptic number.

40133242 is a deficient number, since it is larger than the sum of its proper divisors (21053690).

40133242 is a wasteful number, since it uses less digits than its factorization.

40133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329024.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40133242 is about 6335.0802678419. The cubic root of 40133242 is about 342.3745028343.

Adding to 40133242 its reverse (24233104), we get a palindrome (64366346).

The spelling of 40133242 in words is "forty million, one hundred thirty-three thousand, two hundred forty-two".