40252261037 has 4 divisors (see below), whose sum is σ = 42620041116. Its totient is φ = 37884480960.

The previous prime is 40252261033. The next prime is 40252261069. The reversal of 40252261037 is 73016225204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17818512196 + 22433748841 = 133486^2 + 149779^2 .

It is not a de Polignac number, because 40252261037 - 2² = 40252261033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40252260994 and 40252261012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252261033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183890014 + ... + 1183890047.

It is an arithmetic number, because the mean of its divisors is an integer number (10655010279).

Almost surely, 2^40252261037 is an apocalyptic number.

It is an amenable number.

40252261037 is a deficient number, since it is larger than the sum of its proper divisors (2367780079).

40252261037 is a wasteful number, since it uses less digits than its factorization.

40252261037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367780078.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 40252261037 in words is "forty billion, two hundred fifty-two million, two hundred sixty-one thousand, thirty-seven".