40634316 has 18 divisors (see below), whose sum is σ = 102714612. Its totient is φ = 13544760.

The previous prime is 40634311. The next prime is 40634317. The reversal of 40634316 is 61343604.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×40634316² = 3302295273575712, 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 40634316.

It is not an unprimeable number, because it can be changed into a prime (40634311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564330 + ... + 564401.

Almost surely, 2^40634316 is an apocalyptic number.

It is an amenable number.

40634316 is an abundant number, since it is smaller than the sum of its proper divisors (62080296).

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

40634316 is a wasteful number, since it uses less digits than its factorization.

40634316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128741 (or 1128736 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40634316 is about 6374.5051572652. The cubic root of 40634316 is about 343.7934919737.

The spelling of 40634316 in words is "forty million, six hundred thirty-four thousand, three hundred sixteen".