40782630 has 32 divisors (see below), whose sum is σ = 111861504. Its totient is φ = 9321696.

The previous prime is 40782601. The next prime is 40782647. The reversal of 40782630 is 3628704.

40782630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96892 + ... + 97311.

It is an arithmetic number, because the mean of its divisors is an integer number (3495672).

Almost surely, 2^40782630 is an apocalyptic number.

40782630 is an abundant number, since it is smaller than the sum of its proper divisors (71078874).

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

40782630 is a wasteful number, since it uses less digits than its factorization.

40782630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194220.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40782630 is about 6386.1279348287. The cubic root of 40782630 is about 344.2112626489.

The spelling of 40782630 in words is "forty million, seven hundred eighty-two thousand, six hundred thirty".