40303053 has 12 divisors (see below), whose sum is σ = 66532128. Its totient is φ = 23030280.

The previous prime is 40303051. The next prime is 40303097. The reversal of 40303053 is 35030304.

It is a happy number.

It is not a de Polignac number, because 40303053 - 2¹ = 40303051 is a prime.

It is a super-2 number, since 2×40303053² = 3248672162241618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303051) 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, 319803 + ... + 319928.

It is an arithmetic number, because the mean of its divisors is an integer number (5544344).

Almost surely, 2^40303053 is an apocalyptic number.

It is an amenable number.

40303053 is a deficient number, since it is larger than the sum of its proper divisors (26229075).

40303053 is a wasteful number, since it uses less digits than its factorization.

40303053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639744 (or 639741 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 40303053 is about 6348.4685554864. The cubic root of 40303053 is about 342.8567061750.

Adding to 40303053 its reverse (35030304), we get a palindrome (75333357).

The spelling of 40303053 in words is "forty million, three hundred three thousand, fifty-three".