40253310 has 24 divisors (see below), whose sum is σ = 104658840. Its totient is φ = 10734192.

The previous prime is 40253303. The next prime is 40253347. The reversal of 40253310 is 1335204.

It is a super-2 number, since 2×40253310² = 3240657931912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223540 + ... + 223719.

It is an arithmetic number, because the mean of its divisors is an integer number (4360785).

Almost surely, 2^40253310 is an apocalyptic number.

40253310 is an abundant number, since it is smaller than the sum of its proper divisors (64405530).

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

40253310 is a wasteful number, since it uses less digits than its factorization.

40253310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447272 (or 447269 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40253310 is about 6344.5496294063. The cubic root of 40253310 is about 342.7155940993.

Adding to 40253310 its reverse (1335204), we get a palindrome (41588514).

The spelling of 40253310 in words is "forty million, two hundred fifty-three thousand, three hundred ten".