40023475 has 12 divisors (see below), whose sum is σ = 49852960. Its totient is φ = 31874400.

The previous prime is 40023463. The next prime is 40023499. The reversal of 40023475 is 57432004.

It is not a de Polignac number, because 40023475 - 2¹¹ = 40021427 is a prime.

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

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, 2230 + ... + 9220.

Almost surely, 2^40023475 is an apocalyptic number.

40023475 is a deficient number, since it is larger than the sum of its proper divisors (9829485).

40023475 is a wasteful number, since it uses less digits than its factorization.

40023475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230 (or 7225 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40023475 is about 6326.4109098287. The cubic root of 40023475 is about 342.0620790607.

Adding to 40023475 its reverse (57432004), we get a palindrome (97455479).

The spelling of 40023475 in words is "forty million, twenty-three thousand, four hundred seventy-five".