40125453 has 8 divisors (see below), whose sum is σ = 53529888. Its totient is φ = 26735664.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125453 is 35452104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40125453 - 2¹³ = 40117261 is a prime.

It is a super-2 number, since 2×40125453² = 3220103956910418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125403) 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, 8650 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (6691236).

Almost surely, 2^40125453 is an apocalyptic number.

It is an amenable number.

40125453 is a deficient number, since it is larger than the sum of its proper divisors (13404435).

40125453 is a wasteful number, since it uses less digits than its factorization.

40125453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323.

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

The square root of 40125453 is about 6334.4654865269. The cubic root of 40125453 is about 342.3523522229.

Adding to 40125453 its reverse (35452104), we get a palindrome (75577557).

The spelling of 40125453 in words is "forty million, one hundred twenty-five thousand, four hundred fifty-three".