40425737 has 12 divisors (see below), whose sum is σ = 45171588. Its totient is φ = 36141600.

The previous prime is 40425727. The next prime is 40425757. The reversal of 40425737 is 73752404.

It can be written as a sum of positive squares in 2 ways, for example, as 23319241 + 17106496 = 4829^2 + 4136^2 .

It is not a de Polignac number, because 40425737 - 2¹⁴ = 40409353 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40425727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4643 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (3764299).

Almost surely, 2^40425737 is an apocalyptic number.

It is an amenable number.

40425737 is a deficient number, since it is larger than the sum of its proper divisors (4745851).

40425737 is a wasteful number, since it uses less digits than its factorization.

40425737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 40425737 is about 6358.1237012188. The cubic root of 40425737 is about 343.2042433181.

It can be divided in two parts, 4042 and 5737, that added together give a palindrome (9779).

The spelling of 40425737 in words is "forty million, four hundred twenty-five thousand, seven hundred thirty-seven".