40427044 has 24 divisors (see below), whose sum is σ = 83643840. Its totient is φ = 16728096.

The previous prime is 40427017. The next prime is 40427087. The reversal of 40427044 is 44072404.

40427044 = 822² + 823² + ... + 877².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24082 + ... + 25705.

It is an arithmetic number, because the mean of its divisors is an integer number (3485160).

Almost surely, 2^40427044 is an apocalyptic number.

It is an amenable number.

40427044 is an abundant number, since it is smaller than the sum of its proper divisors (43216796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40427044 is a wasteful number, since it uses less digits than its factorization.

40427044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49827 (or 49825 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 40427044 is about 6358.2264822826. The cubic root of 40427044 is about 343.2079419777.

Adding to 40427044 its reverse (44072404), we get a palindrome (84499448).

The spelling of 40427044 in words is "forty million, four hundred twenty-seven thousand, forty-four".