40481630 has 16 divisors (see below), whose sum is σ = 83276640. Its totient is φ = 13879392.

The previous prime is 40481627. The next prime is 40481657. The reversal of 40481630 is 3618404.

It is a self number, because there is not a number n which added to its sum of digits gives 40481630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289085 + ... + 289224.

It is an arithmetic number, because the mean of its divisors is an integer number (5204790).

Almost surely, 2^40481630 is an apocalyptic number.

40481630 is an abundant number, since it is smaller than the sum of its proper divisors (42795010).

40481630 is a wasteful number, since it uses less digits than its factorization.

40481630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578323.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40481630 is about 6362.5175834728. The cubic root of 40481630 is about 343.3623429369.

The spelling of 40481630 in words is "forty million, four hundred eighty-one thousand, six hundred thirty".