40838154 has 16 divisors (see below), whose sum is σ = 93344448. Its totient is φ = 11668032.

The previous prime is 40838123. The next prime is 40838227. The reversal of 40838154 is 45183804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486127 + ... + 486210.

It is an arithmetic number, because the mean of its divisors is an integer number (5834028).

Almost surely, 2^40838154 is an apocalyptic number.

40838154 is an abundant number, since it is smaller than the sum of its proper divisors (52506294).

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

40838154 is a wasteful number, since it uses less digits than its factorization.

40838154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972349.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 40838154 is about 6390.4736913628. The cubic root of 40838154 is about 344.3674019929.

The spelling of 40838154 in words is "forty million, eight hundred thirty-eight thousand, one hundred fifty-four".