40263073 has 4 divisors (see below), whose sum is σ = 40465600. Its totient is φ = 40060548.

The previous prime is 40263059. The next prime is 40263101. The reversal of 40263073 is 37036204.

40263073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40263073 - 2⁹ = 40262561 is a prime.

It is a super-2 number, since 2×40263073² = 3242230094806658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40263023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100965 + ... + 101362.

It is an arithmetic number, because the mean of its divisors is an integer number (10116400).

Almost surely, 2^40263073 is an apocalyptic number.

It is an amenable number.

40263073 is a deficient number, since it is larger than the sum of its proper divisors (202527).

40263073 is a wasteful number, since it uses less digits than its factorization.

40263073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202526.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40263073 is about 6345.3189833136. The cubic root of 40263073 is about 342.7432991657.

Adding to 40263073 its reverse (37036204), we get a palindrome (77299277).

The spelling of 40263073 in words is "forty million, two hundred sixty-three thousand, seventy-three".