40125375 has 48 divisors (see below), whose sum is σ = 75068448. Its totient is φ = 21384000.

The previous prime is 40125341. The next prime is 40125403. The reversal of 40125375 is 57352104.

It is a happy number.

40125375 is a `hidden beast` number, since 401 + 253 + 7 + 5 = 666.

It is not a de Polignac number, because 40125375 - 2⁹ = 40124863 is a prime.

It is a super-2 number, since 2×40125375² = 3220091437781250, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29715 + ... + 31035.

It is an arithmetic number, because the mean of its divisors is an integer number (1563926).

Almost surely, 2^40125375 is an apocalyptic number.

40125375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40125375 is a deficient number, since it is larger than the sum of its proper divisors (34943073).

40125375 is an equidigital number, since it uses as much as digits as its factorization.

40125375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40125375 is about 6334.4593297297. The cubic root of 40125375 is about 342.3521303895.

Adding to 40125375 its reverse (57352104), we get a palindrome (97477479).

The spelling of 40125375 in words is "forty million, one hundred twenty-five thousand, three hundred seventy-five".