40355394 has 8 divisors (see below), whose sum is σ = 80710800. Its totient is φ = 13451796.

The previous prime is 40355353. The next prime is 40355407. The reversal of 40355394 is 49355304.

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

40355394 is an admirable 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, 3362944 + ... + 3362955.

It is an arithmetic number, because the mean of its divisors is an integer number (10088850).

Almost surely, 2^40355394 is an apocalyptic number.

40355394 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.

40355394 is a wasteful number, since it uses less digits than its factorization.

40355394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725904.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 40355394 is about 6352.5895507265. The cubic root of 40355394 is about 343.0050630084.

The spelling of 40355394 in words is "forty million, three hundred fifty-five thousand, three hundred ninety-four".