40122475 has 12 divisors (see below), whose sum is σ = 50147584. Its totient is φ = 31842720.

The previous prime is 40122473. The next prime is 40122487. The reversal of 40122475 is 57422104.

It is not a de Polignac number, because 40122475 - 2¹ = 40122473 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3144 + ... + 9493.

Almost surely, 2^40122475 is an apocalyptic number.

40122475 is a deficient number, since it is larger than the sum of its proper divisors (10025109).

40122475 is a wasteful number, since it uses less digits than its factorization.

40122475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 40122475 is about 6334.2304189223. The cubic root of 40122475 is about 342.3438825322.

Adding to 40122475 its reverse (57422104), we get a palindrome (97544579).

The spelling of 40122475 in words is "forty million, one hundred twenty-two thousand, four hundred seventy-five".