40481632 has 12 divisors (see below), whose sum is σ = 79698276. Its totient is φ = 20240800.

The previous prime is 40481627. The next prime is 40481657. The reversal of 40481632 is 23618404.

It is a self number, because there is not a number n which added to its sum of digits gives 40481632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632494 + ... + 632557.

It is an arithmetic number, because the mean of its divisors is an integer number (6641523).

Almost surely, 2^40481632 is an apocalyptic number.

It is an amenable number.

40481632 is a deficient number, since it is larger than the sum of its proper divisors (39216644).

40481632 is a wasteful number, since it uses less digits than its factorization.

40481632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265061 (or 1265053 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40481632 is about 6362.5177406432. The cubic root of 40481632 is about 343.3623485915.

The spelling of 40481632 in words is "forty million, four hundred eighty-one thousand, six hundred thirty-two".