40207053 has 8 divisors (see below), whose sum is σ = 53762688. Its totient is φ = 26728064.

The previous prime is 40207051. The next prime is 40207061. The reversal of 40207053 is 35070204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40207053 - 2¹ = 40207051 is a prime.

It is a super-2 number, since 2×40207053² = 3233214221889618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17925 + ... + 20042.

It is an arithmetic number, because the mean of its divisors is an integer number (6720336).

Almost surely, 2^40207053 is an apocalyptic number.

It is an amenable number.

40207053 is a deficient number, since it is larger than the sum of its proper divisors (13555635).

40207053 is a wasteful number, since it uses less digits than its factorization.

40207053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38323.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40207053 is about 6340.9031691077. The cubic root of 40207053 is about 342.5842668321.

Adding to 40207053 its reverse (35070204), we get a palindrome (75277257).

The spelling of 40207053 in words is "forty million, two hundred seven thousand, fifty-three".