40437440741 has 4 divisors (see below), whose sum is σ = 40439955072. Its totient is φ = 40434926412.

The previous prime is 40437440663. The next prime is 40437440789. The reversal of 40437440741 is 14704473404.

It is a happy number.

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 40437440741 - 2¹⁸ = 40437178597 is a prime.

It is a super-2 number, since 2×40437440741² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40437440695 and 40437440704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40437448741) 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, 1232885 + ... + 1265258.

It is an arithmetic number, because the mean of its divisors is an integer number (10109988768).

Almost surely, 2^40437440741 is an apocalyptic number.

It is an amenable number.

40437440741 is a deficient number, since it is larger than the sum of its proper divisors (2514331).

40437440741 is a wasteful number, since it uses less digits than its factorization.

40437440741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514330.

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 40437440741 in words is "forty billion, four hundred thirty-seven million, four hundred forty thousand, seven hundred forty-one".