40434552 has 80 divisors (see below), whose sum is σ = 118221840. Its totient is φ = 12887424.

The previous prime is 40434539. The next prime is 40434553. The reversal of 40434552 is 25543404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434553) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13548 + ... + 16260.

It is an arithmetic number, because the mean of its divisors is an integer number (1477773).

Almost surely, 2^40434552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40434552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59110920).

40434552 is an abundant number, since it is smaller than the sum of its proper divisors (77787288).

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

40434552 is a wasteful number, since it uses less digits than its factorization.

40434552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40434552 is about 6358.8168710854. The cubic root of 40434552 is about 343.2291872092.

Adding to 40434552 its reverse (25543404), we get a palindrome (65977956).

The spelling of 40434552 in words is "forty million, four hundred thirty-four thousand, five hundred fifty-two".