40152453 has 32 divisors (see below), whose sum is σ = 65111040. Its totient is φ = 21692160.

The previous prime is 40152421. The next prime is 40152493. The reversal of 40152453 is 35425104.

It is not a de Polignac number, because 40152453 - 2⁵ = 40152421 is a prime.

It is a super-2 number, since 2×40152453² = 3224438963834418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8776 + ... + 12542.

It is an arithmetic number, because the mean of its divisors is an integer number (2034720).

Almost surely, 2^40152453 is an apocalyptic number.

It is an amenable number.

40152453 is a deficient number, since it is larger than the sum of its proper divisors (24958587).

40152453 is a wasteful number, since it uses less digits than its factorization.

40152453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40152453 is about 6336.5963261044. The cubic root of 40152453 is about 342.4291234517.

Adding to 40152453 its reverse (35425104), we get a palindrome (75577557).

The spelling of 40152453 in words is "forty million, one hundred fifty-two thousand, four hundred fifty-three".