40099733 has 2 divisors, whose sum is σ = 40099734. Its totient is φ = 40099732.

The previous prime is 40099729. The next prime is 40099757. The reversal of 40099733 is 33799004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 2067844 = 6167^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 40099733 - 2² = 40099729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40099693 and 40099702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40099783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20049866 + 20049867.

It is an arithmetic number, because the mean of its divisors is an integer number (20049867).

Almost surely, 2^40099733 is an apocalyptic number.

It is an amenable number.

40099733 is a deficient number, since it is larger than the sum of its proper divisors (1).

40099733 is an equidigital number, since it uses as much as digits as its factorization.

40099733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 40099733 is about 6332.4349976924. The cubic root of 40099733 is about 342.2791884837.

The spelling of 40099733 in words is "forty million, ninety-nine thousand, seven hundred thirty-three".