40634049 has 8 divisors (see below), whose sum is σ = 54293760. Its totient is φ = 27031856.

The previous prime is 40634021. The next prime is 40634053. The reversal of 40634049 is 94043604.

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

It is a cyclic number.

It is not a de Polignac number, because 40634049 - 2⁷ = 40633921 is a prime.

It is a super-2 number, since 2×40634049² = 3302251876268802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40634059) 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, 12702 + ... + 15575.

It is an arithmetic number, because the mean of its divisors is an integer number (6786720).

Almost surely, 2^40634049 is an apocalyptic number.

It is an amenable number.

40634049 is a deficient number, since it is larger than the sum of its proper divisors (13659711).

40634049 is a wasteful number, since it uses less digits than its factorization.

40634049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28759.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40634049 is about 6374.4842144286. The cubic root of 40634049 is about 343.7927389725.

The spelling of 40634049 in words is "forty million, six hundred thirty-four thousand, forty-nine".