40063958 has 16 divisors (see below), whose sum is σ = 65664000. Its totient is φ = 18181800.

The previous prime is 40063949. The next prime is 40063963. The reversal of 40063958 is 85936004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19043 + ... + 21041.

It is an arithmetic number, because the mean of its divisors is an integer number (4104000).

Almost surely, 2^40063958 is an apocalyptic number.

40063958 is a deficient number, since it is larger than the sum of its proper divisors (25600042).

40063958 is a wasteful number, since it uses less digits than its factorization.

40063958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40063958 is about 6329.6096246135. The cubic root of 40063958 is about 342.1773700065.

The spelling of 40063958 in words is "forty million, sixty-three thousand, nine hundred fifty-eight".