40352553 has 8 divisors (see below), whose sum is σ = 59781600. Its totient is φ = 26901684.

The previous prime is 40352551. The next prime is 40352573. The reversal of 40352553 is 35525304.

40352553 is a `hidden beast` number, since 403 + 5 + 255 + 3 = 666.

It is not a de Polignac number, because 40352553 - 2¹ = 40352551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1494539 = 40352553 / (4 + 0 + 3 + 5 + 2 + 5 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (40352551) 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, 747243 + ... + 747296.

It is an arithmetic number, because the mean of its divisors is an integer number (7472700).

Almost surely, 2^40352553 is an apocalyptic number.

It is an amenable number.

40352553 is a deficient number, since it is larger than the sum of its proper divisors (19429047).

40352553 is a wasteful number, since it uses less digits than its factorization.

40352553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494548 (or 1494542 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 40352553 is about 6352.3659371922. The cubic root of 40352553 is about 342.9970136899.

Adding to 40352553 its reverse (35525304), we get a palindrome (75877857).

The spelling of 40352553 in words is "forty million, three hundred fifty-two thousand, five hundred fifty-three".