40790253 has 16 divisors (see below), whose sum is σ = 62246016. Its totient is φ = 23275200.

The previous prime is 40790249. The next prime is 40790257. The reversal of 40790253 is 35209704.

It is an interprime number because it is at equal distance from previous prime (40790249) and next prime (40790257).

It is not a de Polignac number, because 40790253 - 2² = 40790249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40790253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40790257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26575 + ... + 28067.

It is an arithmetic number, because the mean of its divisors is an integer number (3890376).

Almost surely, 2^40790253 is an apocalyptic number.

It is an amenable number.

40790253 is a deficient number, since it is larger than the sum of its proper divisors (21455763).

40790253 is a wasteful number, since it uses less digits than its factorization.

40790253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 40790253 is about 6386.7247474742. The cubic root of 40790253 is about 344.2327077182.

Adding to 40790253 its reverse (35209704), we get a palindrome (75999957).

The spelling of 40790253 in words is "forty million, seven hundred ninety thousand, two hundred fifty-three".