40289037 has 4 divisors (see below), whose sum is σ = 53718720. Its totient is φ = 26859356.

The previous prime is 40289027. The next prime is 40289059. The reversal of 40289037 is 73098204.

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 40289037 - 2¹¹ = 40286989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40288989 and 40289007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40289017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6714837 + ... + 6714842.

It is an arithmetic number, because the mean of its divisors is an integer number (13429680).

Almost surely, 2^40289037 is an apocalyptic number.

It is an amenable number.

40289037 is a deficient number, since it is larger than the sum of its proper divisors (13429683).

40289037 is a wasteful number, since it uses less digits than its factorization.

40289037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429682.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40289037 is about 6347.3645712217. The cubic root of 40289037 is about 342.8169570212.

The spelling of 40289037 in words is "forty million, two hundred eighty-nine thousand, thirty-seven".