40894784 has 28 divisors (see below), whose sum is σ = 92744544. Its totient is φ = 17526144.

The previous prime is 40894781. The next prime is 40894787. The reversal of 40894784 is 48749804.

It is an interprime number because it is at equal distance from previous prime (40894781) and next prime (40894787).

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45194 + ... + 46089.

Almost surely, 2^40894784 is an apocalyptic number.

It is an amenable number.

40894784 is an abundant number, since it is smaller than the sum of its proper divisors (51849760).

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

40894784 is an equidigital number, since it uses as much as digits as its factorization.

40894784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91302 (or 91292 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 40894784 is about 6394.9029703350. The cubic root of 40894784 is about 344.5265058112.

The spelling of 40894784 in words is "forty million, eight hundred ninety-four thousand, seven hundred eighty-four".