40275477 has 24 divisors (see below), whose sum is σ = 64947168. Its totient is φ = 23839200.

The previous prime is 40275463. The next prime is 40275491. The reversal of 40275477 is 77457204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40275463) and next prime (40275491).

It is not a de Polignac number, because 40275477 - 2⁶ = 40275413 is a prime.

It is a super-2 number, since 2×40275477² = 3244228095155058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40275427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (2706132).

Almost surely, 2^40275477 is an apocalyptic number.

It is an amenable number.

40275477 is a deficient number, since it is larger than the sum of its proper divisors (24671691).

40275477 is a wasteful number, since it uses less digits than its factorization.

40275477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 40275477 is about 6346.2963214776. The cubic root of 40275477 is about 342.7784923014.

The spelling of 40275477 in words is "forty million, two hundred seventy-five thousand, four hundred seventy-seven".