40237433 has 2 divisors, whose sum is σ = 40237434. Its totient is φ = 40237432.

The previous prime is 40237429. The next prime is 40237501. The reversal of 40237433 is 33473204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 12020089 = 5312^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 40237433 - 2² = 40237429 is a prime.

It is not a weakly prime, because it can be changed into another prime (40237403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118716 + 20118717.

It is an arithmetic number, because the mean of its divisors is an integer number (20118717).

Almost surely, 2^40237433 is an apocalyptic number.

It is an amenable number.

40237433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40237433 is an equidigital number, since it uses as much as digits as its factorization.

40237433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 40237433 is about 6343.2982745572. The cubic root of 40237433 is about 342.6705293908.

The spelling of 40237433 in words is "forty million, two hundred thirty-seven thousand, four hundred thirty-three".