40051053 has 12 divisors (see below), whose sum is σ = 66116128. Its totient is φ = 22886280.

The previous prime is 40051021. The next prime is 40051061. The reversal of 40051053 is 35015004.

It is not a de Polignac number, because 40051053 - 2⁵ = 40051021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051013) 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, 317803 + ... + 317928.

Almost surely, 2^40051053 is an apocalyptic number.

It is an amenable number.

40051053 is a deficient number, since it is larger than the sum of its proper divisors (26065075).

40051053 is a wasteful number, since it uses less digits than its factorization.

40051053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635744 (or 635741 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 40051053 is about 6328.5901273506. The cubic root of 40051053 is about 342.1406264812.

Adding to 40051053 its reverse (35015004), we get a palindrome (75066057).

The spelling of 40051053 in words is "forty million, fifty-one thousand, fifty-three".