40053380 has 12 divisors (see below), whose sum is σ = 84112140. Its totient is φ = 16021344.

The previous prime is 40053371. The next prime is 40053383. The reversal of 40053380 is 8335004.

It can be written as a sum of positive squares in 2 ways, for example, as 26050816 + 14002564 = 5104^2 + 3742^2 .

It is not an unprimeable number, because it can be changed into a prime (40053383) 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, 1001315 + ... + 1001354.

It is an arithmetic number, because the mean of its divisors is an integer number (7009345).

Almost surely, 2^40053380 is an apocalyptic number.

It is an amenable number.

40053380 is an abundant number, since it is smaller than the sum of its proper divisors (44058760).

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

40053380 is a wasteful number, since it uses less digits than its factorization.

40053380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002678 (or 2002676 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40053380 is about 6328.7739728955. The cubic root of 40053380 is about 342.1472525726.

Adding to 40053380 its reverse (8335004), we get a palindrome (48388384).

The spelling of 40053380 in words is "forty million, fifty-three thousand, three hundred eighty".