40401275 has 12 divisors (see below), whose sum is σ = 50365824. Its totient is φ = 32148000.

The previous prime is 40401259. The next prime is 40401293. The reversal of 40401275 is 57210404.

It is not a de Polignac number, because 40401275 - 2⁴ = 40401259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40401275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (4197152).

Almost surely, 2^40401275 is an apocalyptic number.

40401275 is a deficient number, since it is larger than the sum of its proper divisors (9964549).

40401275 is a wasteful number, since it uses less digits than its factorization.

40401275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8657 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40401275 is about 6356.1997293981. The cubic root of 40401275 is about 343.1350039607.

Adding to 40401275 its reverse (57210404), we get a palindrome (97611679).

The spelling of 40401275 in words is "forty million, four hundred one thousand, two hundred seventy-five".