40894742 has 8 divisors (see below), whose sum is σ = 70105296. Its totient is φ = 17526312.

The previous prime is 40894739. The next prime is 40894757. The reversal of 40894742 is 24749804.

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

It is a junction number, because it is equal to n+sod(n) for n = 40894696 and 40894705.

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, 1460513 + ... + 1460540.

It is an arithmetic number, because the mean of its divisors is an integer number (8763162).

Almost surely, 2^40894742 is an apocalyptic number.

40894742 is a deficient number, since it is larger than the sum of its proper divisors (29210554).

40894742 is a wasteful number, since it uses less digits than its factorization.

40894742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921062.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40894742 is about 6394.8996864689. The cubic root of 40894742 is about 344.5263878653.

The spelling of 40894742 in words is "forty million, eight hundred ninety-four thousand, seven hundred forty-two".