45440811 has 16 divisors (see below), whose sum is σ = 72498720. Its totient is φ = 27963360.

The previous prime is 45440783. The next prime is 45440827. The reversal of 45440811 is 11804454.

It is a happy number.

It is not a de Polignac number, because 45440811 - 2¹⁸ = 45178667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45440861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64380 + ... + 65081.

It is an arithmetic number, because the mean of its divisors is an integer number (4531170).

Almost surely, 2^45440811 is an apocalyptic number.

45440811 is a deficient number, since it is larger than the sum of its proper divisors (27057909).

45440811 is a wasteful number, since it uses less digits than its factorization.

45440811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129483 (or 129477 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 45440811 is about 6740.9799732680. The cubic root of 45440811 is about 356.8469791203.

The spelling of 45440811 in words is "forty-five million, four hundred forty thousand, eight hundred eleven".