40275630 has 80 divisors (see below), whose sum is σ = 114040080. Its totient is φ = 10171008.

The previous prime is 40275629. The next prime is 40275689. The reversal of 40275630 is 3657204.

It is a happy number.

40275630 is a `hidden beast` number, since 4 + 0 + 27 + 5 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40275594 and 40275603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14082 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (1425501).

Almost surely, 2^40275630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40275630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57020040).

40275630 is an abundant number, since it is smaller than the sum of its proper divisors (73764450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40275630 is a wasteful number, since it uses less digits than its factorization.

40275630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40275630 is about 6346.3083757410. The cubic root of 40275630 is about 342.7789263541.

The spelling of 40275630 in words is "forty million, two hundred seventy-five thousand, six hundred thirty".