40634968 has 32 divisors (see below), whose sum is σ = 83394000. Its totient is φ = 18408960.

The previous prime is 40634963. The next prime is 40635037. The reversal of 40634968 is 86943604.

It is a super-2 number, since 2×40634968² = 3302401248722048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40634968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35428 + ... + 36556.

Almost surely, 2^40634968 is an apocalyptic number.

It is an amenable number.

40634968 is an abundant number, since it is smaller than the sum of its proper divisors (42759032).

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

40634968 is a wasteful number, since it uses less digits than its factorization.

40634968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40634968 is about 6374.5562982846. The cubic root of 40634968 is about 343.7953307492.

The spelling of 40634968 in words is "forty million, six hundred thirty-four thousand, nine hundred sixty-eight".