40263375 has 32 divisors (see below), whose sum is σ = 70536960. Its totient is φ = 20340000.

The previous prime is 40263367. The next prime is 40263403. The reversal of 40263375 is 57336204.

It is not a de Polignac number, because 40263375 - 2³ = 40263367 is a prime.

It is a super-2 number, since 2×40263375² = 3242278732781250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4300 + ... + 9950.

It is an arithmetic number, because the mean of its divisors is an integer number (2204280).

Almost surely, 2^40263375 is an apocalyptic number.

40263375 is a deficient number, since it is larger than the sum of its proper divisors (30273585).

40263375 is a wasteful number, since it uses less digits than its factorization.

40263375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 40263375 is about 6345.3427803390. The cubic root of 40263375 is about 342.7441560983.

Adding to 40263375 its reverse (57336204), we get a palindrome (97599579).

The spelling of 40263375 in words is "forty million, two hundred sixty-three thousand, three hundred seventy-five".