40385454 has 8 divisors (see below), whose sum is σ = 80770920. Its totient is φ = 13461816.

The previous prime is 40385419. The next prime is 40385473. The reversal of 40385454 is 45458304.

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

40385454 is an admirable number.

It is a super-2 number, since 2×40385454² = 3261969789572232, which contains 22 as substring.

40385454 is a modest number, since divided by 5454 gives 4038 as remainder.

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, 3365449 + ... + 3365460.

It is an arithmetic number, because the mean of its divisors is an integer number (10096365).

Almost surely, 2^40385454 is an apocalyptic number.

40385454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40385454 is a wasteful number, since it uses less digits than its factorization.

40385454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730914.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 40385454 is about 6354.9550745855. The cubic root of 40385454 is about 343.0902079513.

The spelling of 40385454 in words is "forty million, three hundred eighty-five thousand, four hundred fifty-four".