40048049 has 2 divisors, whose sum is σ = 40048050. Its totient is φ = 40048048.

The previous prime is 40048027. The next prime is 40048061. The reversal of 40048049 is 94084004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 4431025 = 5968^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 40048049 - 2¹⁶ = 39982513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40048009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20024024 + 20024025.

It is an arithmetic number, because the mean of its divisors is an integer number (20024025).

Almost surely, 2^40048049 is an apocalyptic number.

It is an amenable number.

40048049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40048049 is an equidigital number, since it uses as much as digits as its factorization.

40048049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40048049 is about 6328.3527872583. The cubic root of 40048049 is about 342.1320722647.

The spelling of 40048049 in words is "forty million, forty-eight thousand, forty-nine".