40152553 has 4 divisors (see below), whose sum is σ = 45888640. Its totient is φ = 34416468.

The previous prime is 40152551. The next prime is 40152557. The reversal of 40152553 is 35525104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40152553 - 2¹ = 40152551 is a prime.

It is a super-2 number, since 2×40152553² = 3224455024835618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40152551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868033 + ... + 2868046.

It is an arithmetic number, because the mean of its divisors is an integer number (11472160).

Almost surely, 2^40152553 is an apocalyptic number.

It is an amenable number.

40152553 is a deficient number, since it is larger than the sum of its proper divisors (5736087).

40152553 is an equidigital number, since it uses as much as digits as its factorization.

40152553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736086.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 40152553 is about 6336.6042167710. The cubic root of 40152553 is about 342.4294077256.

Adding to 40152553 its reverse (35525104), we get a palindrome (75677657).

The spelling of 40152553 in words is "forty million, one hundred fifty-two thousand, five hundred fifty-three".