40706448 has 20 divisors (see below), whose sum is σ = 105158448. Its totient is φ = 13568800.

The previous prime is 40706447. The next prime is 40706461. The reversal of 40706448 is 84460704.

It is not an unprimeable number, because it can be changed into a prime (40706443) 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, 423978 + ... + 424073.

Almost surely, 2^40706448 is an apocalyptic number.

40706448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40706448 is an abundant number, since it is smaller than the sum of its proper divisors (64452000).

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

40706448 is a wasteful number, since it uses less digits than its factorization.

40706448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848062 (or 848056 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 40706448 is about 6380.1604995486. The cubic root of 40706448 is about 343.9968000423.

The spelling of 40706448 in words is "forty million, seven hundred six thousand, four hundred forty-eight".