40894536 has 32 divisors (see below), whose sum is σ = 107618400. Its totient is φ = 12913920.

The previous prime is 40894531. The next prime is 40894603. The reversal of 40894536 is 63549804.

It is a junction number, because it is equal to n+sod(n) for n = 40894494 and 40894503.

It is not an unprimeable number, because it can be changed into a prime (40894531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44385 + ... + 45296.

It is an arithmetic number, because the mean of its divisors is an integer number (3363075).

Almost surely, 2^40894536 is an apocalyptic number.

It is an amenable number.

40894536 is an abundant number, since it is smaller than the sum of its proper divisors (66723864).

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

40894536 is a wasteful number, since it uses less digits than its factorization.

40894536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89709 (or 89705 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40894536 is about 6394.8835798629. The cubic root of 40894536 is about 344.5258093675.

The spelling of 40894536 in words is "forty million, eight hundred ninety-four thousand, five hundred thirty-six".