46440491 has 2 divisors, whose sum is σ = 46440492. Its totient is φ = 46440490.

The previous prime is 46440451. The next prime is 46440509. The reversal of 46440491 is 19404464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46440491 - 2¹⁴ = 46424107 is a prime.

It is not a weakly prime, because it can be changed into another prime (46440451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23220245 + 23220246.

It is an arithmetic number, because the mean of its divisors is an integer number (23220246).

Almost surely, 2^46440491 is an apocalyptic number.

46440491 is a deficient number, since it is larger than the sum of its proper divisors (1).

46440491 is an equidigital number, since it uses as much as digits as its factorization.

46440491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 46440491 is about 6814.7260399814. The cubic root of 46440491 is about 359.4448516621. Note that the first 3 decimals are identical.

The spelling of 46440491 in words is "forty-six million, four hundred forty thousand, four hundred ninety-one".