40063838 has 8 divisors (see below), whose sum is σ = 62708688. Its totient is φ = 19160944.

The previous prime is 40063759. The next prime is 40063843. The reversal of 40063838 is 83836004.

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

It is a super-2 number, since 2×40063838² = 3210222230580488, which contains 22 as substring.

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, 435431 + ... + 435522.

It is an arithmetic number, because the mean of its divisors is an integer number (7838586).

Almost surely, 2^40063838 is an apocalyptic number.

40063838 is a deficient number, since it is larger than the sum of its proper divisors (22644850).

40063838 is a wasteful number, since it uses less digits than its factorization.

40063838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870978.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40063838 is about 6329.6001453488. The cubic root of 40063838 is about 342.1770283751.

The spelling of 40063838 in words is "forty million, sixty-three thousand, eight hundred thirty-eight".