40244555 has 16 divisors (see below), whose sum is σ = 52790304. Its totient is φ = 29272320.

The previous prime is 40244551. The next prime is 40244557. The reversal of 40244555 is 55544204.

It is not a de Polignac number, because 40244555 - 2² = 40244551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244551) 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, 266 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (3299394).

Almost surely, 2^40244555 is an apocalyptic number.

40244555 is a deficient number, since it is larger than the sum of its proper divisors (12545749).

40244555 is a wasteful number, since it uses less digits than its factorization.

40244555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 40244555 is about 6343.8596295946. The cubic root of 40244555 is about 342.6907456866.

Adding to 40244555 its reverse (55544204), we get a palindrome (95788759).

The spelling of 40244555 in words is "forty million, two hundred forty-four thousand, five hundred fifty-five".