40471242 has 16 divisors (see below), whose sum is σ = 92505792. Its totient is φ = 11563200.

The previous prime is 40471241. The next prime is 40471253. The reversal of 40471242 is 24217404.

It is a super-3 number, since 3×40471242³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40471241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481759 + ... + 481842.

It is an arithmetic number, because the mean of its divisors is an integer number (5781612).

Almost surely, 2^40471242 is an apocalyptic number.

40471242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40471242 is an abundant number, since it is smaller than the sum of its proper divisors (52034550).

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

40471242 is a wasteful number, since it uses less digits than its factorization.

40471242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963613.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40471242 is about 6361.7011875755. The cubic root of 40471242 is about 343.3329703288.

Adding to 40471242 its reverse (24217404), we get a palindrome (64688646).

The spelling of 40471242 in words is "forty million, four hundred seventy-one thousand, two hundred forty-two".