40370673737 has 4 divisors (see below), whose sum is σ = 40409159700. Its totient is φ = 40332187776.

The previous prime is 40370673667. The next prime is 40370673751. The reversal of 40370673737 is 73737607304.

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 36558969616 + 3811704121 = 191204^2 + 61739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40370673737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40370673691 and 40370673700.

It is not an unprimeable number, because it can be changed into a prime (40370670737) 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, 19241408 + ... + 19243505.

It is an arithmetic number, because the mean of its divisors is an integer number (10102289925).

Almost surely, 2^40370673737 is an apocalyptic number.

It is an amenable number.

40370673737 is a deficient number, since it is larger than the sum of its proper divisors (38485963).

40370673737 is a wasteful number, since it uses less digits than its factorization.

40370673737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38485962.

The product of its (nonzero) digits is 1555848, while the sum is 47.

The spelling of 40370673737 in words is "forty billion, three hundred seventy million, six hundred seventy-three thousand, seven hundred thirty-seven".