40275944 has 48 divisors (see below), whose sum is σ = 81755520. Its totient is φ = 18580320.

The previous prime is 40275931. The next prime is 40275947. The reversal of 40275944 is 44957204.

It is a super-2 number, since 2×40275944² = 3244303330182272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40275947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131039 + ... + 131345.

It is an arithmetic number, because the mean of its divisors is an integer number (1703240).

Almost surely, 2^40275944 is an apocalyptic number.

It is an amenable number.

40275944 is an abundant number, since it is smaller than the sum of its proper divisors (41479576).

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

40275944 is a wasteful number, since it uses less digits than its factorization.

40275944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40275944 is about 6346.3331144843. Note that the first 3 decimals coincide. The cubic root of 40275944 is about 342.7798171517.

The spelling of 40275944 in words is "forty million, two hundred seventy-five thousand, nine hundred forty-four".