40902011 has 2 divisors, whose sum is σ = 40902012. Its totient is φ = 40902010.

The previous prime is 40901951. The next prime is 40902047. The reversal of 40902011 is 11020904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40902011 - 2¹⁴ = 40885627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40902311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20451005 + 20451006.

It is an arithmetic number, because the mean of its divisors is an integer number (20451006).

Almost surely, 2^40902011 is an apocalyptic number.

40902011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40902011 is an equidigital number, since it uses as much as digits as its factorization.

40902011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 40902011 is about 6395.4680047671. The cubic root of 40902011 is about 344.5467997310.

Adding to 40902011 its reverse (11020904), we get a palindrome (51922915).

The spelling of 40902011 in words is "forty million, nine hundred two thousand, eleven".