40053770 has 8 divisors (see below), whose sum is σ = 72096804.
Its totient is φ = 16021504.
The previous prime is 40053749. The next prime is 40053773. The reversal of 40053770 is 7735004.
It can be written as a sum of positive squares in 2 ways, for example, as 39980329 + 73441 = 6323^2 + 271^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (40053773) 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, 2002679 + ... + 2002698.
Almost surely, 240053770 is an apocalyptic number.
40053770 is a deficient number, since it is larger than the sum of its proper divisors (32043034).
40053770 is a wasteful number, since it uses less digits than its factorization.
40053770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4005384.
The product of its (nonzero) digits is 2940, while the sum is 26.
The square root of 40053770 is about 6328.8047844755.
The cubic root of 40053770 is about 342.1483630657.
Adding to 40053770 its reverse (7735004), we get a palindrome (47788774).
The spelling of 40053770 in words is "forty million, fifty-three thousand, seven hundred seventy".