40634942 has 8 divisors (see below), whose sum is σ = 61544496. Its totient is φ = 20120112.

The previous prime is 40634929. The next prime is 40634959. The reversal of 40634942 is 24943604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40634942² = 3302397022686728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40634899 and 40634908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98423 + ... + 98834.

It is an arithmetic number, because the mean of its divisors is an integer number (7693062).

Almost surely, 2^40634942 is an apocalyptic number.

40634942 is a deficient number, since it is larger than the sum of its proper divisors (20909554).

40634942 is a wasteful number, since it uses less digits than its factorization.

40634942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197362.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 40634942 is about 6374.5542589267. The cubic root of 40634942 is about 343.7952574242.

The spelling of 40634942 in words is "forty million, six hundred thirty-four thousand, nine hundred forty-two".