40501375 has 8 divisors (see below), whose sum is σ = 50545872. Its totient is φ = 32401000.

The previous prime is 40501339. The next prime is 40501379. The reversal of 40501375 is 57310504.

It is not a de Polignac number, because 40501375 - 2²³ = 32112767 is a prime.

It is a super-2 number, since 2×40501375² = 3280722753781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501379) 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, 161881 + ... + 162130.

It is an arithmetic number, because the mean of its divisors is an integer number (6318234).

Almost surely, 2^40501375 is an apocalyptic number.

40501375 is a deficient number, since it is larger than the sum of its proper divisors (10044497).

40501375 is an equidigital number, since it uses as much as digits as its factorization.

40501375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324026 (or 324016 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 40501375 is about 6364.0690599647. The cubic root of 40501375 is about 343.4181590975.

Adding to 40501375 its reverse (57310504), we get a palindrome (97811879).

The spelling of 40501375 in words is "forty million, five hundred one thousand, three hundred seventy-five".